Finding the Fourth Proportional to 289,170,795.87, 399,044,505.99 and 157,008,767.49
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Solution
The fourth proportional to 289,170,795.87, 399,044,505.99 and 157,008,767.49 is: 216,666,022.14
Step by Step Solution
- Step 1: Write the proportion equation
289,170,795.87 : 399,044,505.99 = 157,008,767.49 : x - Step 2: Convert to fraction form
289,170,795.87/399,044,505.99 = 157,008,767.49/x - Step 3: Cross multiply
289,170,795.87x = 399,044,505.99 × 157,008,767.49 - Step 4: Simplify right side
289,170,795.87x = 62,653,486,059,145,824 - Step 5: Solve for x
x = 62,653,486,059,145,824/289,170,795.87 - Step 6: Final answer
x = 216,666,022.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.