Finding the Fourth Proportional to 371,782,893.98, 513,057,555.78 and 204,515,553.62
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Solution
The fourth proportional to 371,782,893.98, 513,057,555.78 and 204,515,553.62 is: 282,229,902.88
Step by Step Solution
- Step 1: Write the proportion equation
371,782,893.98 : 513,057,555.78 = 204,515,553.62 : x - Step 2: Convert to fraction form
371,782,893.98/513,057,555.78 = 204,515,553.62/x - Step 3: Cross multiply
371,782,893.98x = 513,057,555.78 × 204,515,553.62 - Step 4: Simplify right side
371,782,893.98x = 104,928,250,059,270,720 - Step 5: Solve for x
x = 104,928,250,059,270,720/371,782,893.98 - Step 6: Final answer
x = 282,229,902.88
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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.