Finding the Fourth Proportional to 371,782,891.98, 513,057,553.02 and 204,515,551.62
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Solution
The fourth proportional to 371,782,891.98, 513,057,553.02 and 204,515,551.62 is: 282,229,900.12
Step by Step Solution
- Step 1: Write the proportion equation
371,782,891.98 : 513,057,553.02 = 204,515,551.62 : x - Step 2: Convert to fraction form
371,782,891.98/513,057,553.02 = 204,515,551.62/x - Step 3: Cross multiply
371,782,891.98x = 513,057,553.02 × 204,515,551.62 - Step 4: Simplify right side
371,782,891.98x = 104,928,248,468,692,688 - Step 5: Solve for x
x = 104,928,248,468,692,688/371,782,891.98 - Step 6: Final answer
x = 282,229,900.12
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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.