The Libra zodiac sign, symbolized by the Scales and ruled by Venus, is associated with the period between September 23 and October 22. According to some reports, including a 2019 study by UK-based Marcast, a noticeable number of billionaires fall under this sign, including well-known figures like Liliane Bettencourt of L'Oreal and Stefan Persson of H&M.

There are several traits associated with Libras that could theoretically contribute to their potential for financial success, though it's crucial to note that astrology is not a science and its predictive or explanatory powers regarding one's financial future or propensity for becoming a billionaire are not supported by empirical evidence. With that in mind, here's a look at some Libra characteristics.

1. Diplomatic and Tactful: Libras are known for their diplomatic skills. They tend to be good at managing people and navigating complex situations, which can be invaluable in the business world.
2. Desire for Balance: Symbolized by the scales, Libras seek balance and fairness in all things. This can translate into a careful, calculated approach to business and financial decisions.
3. Charismatic and Charming: Libras often have a certain charisma and charm that helps them in negotiations and team leadership. They are often liked by many, which can open doors and opportunities.
4. Strategic Thinkers: Libras are analytical and strategic thinkers. They can weigh all sides of a situation before making a decision, which is a useful trait for long-term business planning and financial management.
5. Creative: Ruled by Venus, the planet of beauty, Libras often have a keen eye for aesthetics. They might thrive in industries related to art, design, fashion, or any other field where good taste and innovation are valued.

Again, while these traits might be commonly found in people born under the Libra sign, it's important to understand that becoming a billionaire is influenced by a wide array of factors, including the environment, education, hard work, opportunities, and a good dose of luck. Additionally, each person is unique, and their actions and decisions can't be solely determined by their zodiac sign.