The formula to calculate the second quantity in a 50:1 ratio is:
\[ \text{Q2} = \frac{\text{Q1}}{50} \]
Where:
A 50:1 ratio is a proportional relationship indicating that for every 50 units of one quantity, there is 1 unit of another quantity. This ratio is commonly used in various fields such as finance, engineering, and chemistry.
Example:
Calculation:
\[ \text{Q2} = \frac{1000}{50} = 20 \]