Finding the Fourth Proportional to 371,782,892.98, 513,057,554.40 and 204,515,552.62
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Solution
The fourth proportional to 371,782,892.98, 513,057,554.40 and 204,515,552.62 is: 282,229,901.50
Step by Step Solution
- Step 1: Write the proportion equation
371,782,892.98 : 513,057,554.40 = 204,515,552.62 : x - Step 2: Convert to fraction form
371,782,892.98/513,057,554.40 = 204,515,552.62/x - Step 3: Cross multiply
371,782,892.98x = 513,057,554.40 × 204,515,552.62 - Step 4: Simplify right side
371,782,892.98x = 104,928,249,263,981,712 - Step 5: Solve for x
x = 104,928,249,263,981,712/371,782,892.98 - Step 6: Final answer
x = 282,229,901.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.