Finding the Fourth Proportional to 547,272,414.97, 822,218,237.61 and 350,920,525.98
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Solution
The fourth proportional to 547,272,414.97, 822,218,237.61 and 350,920,525.98 is: 527,220,536.83
Step by Step Solution
- Step 1: Write the proportion equation
547,272,414.97 : 822,218,237.61 = 350,920,525.98 : x - Step 2: Convert to fraction form
547,272,414.97/822,218,237.61 = 350,920,525.98/x - Step 3: Cross multiply
547,272,414.97x = 822,218,237.61 × 350,920,525.98 - Step 4: Simplify right side
547,272,414.97x = 288,533,256,412,449,856 - Step 5: Solve for x
x = 288,533,256,412,449,856/547,272,414.97 - Step 6: Final answer
x = 527,220,536.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.