Finding the Fourth Proportional to 426,026,821.47, 587,872,206.51 and 247,375,788.08
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Solution
The fourth proportional to 426,026,821.47, 587,872,206.51 and 247,375,788.08 is: 341,352,569.95
Step by Step Solution
- Step 1: Write the proportion equation
426,026,821.47 : 587,872,206.51 = 247,375,788.08 : x - Step 2: Convert to fraction form
426,026,821.47/587,872,206.51 = 247,375,788.08/x - Step 3: Cross multiply
426,026,821.47x = 587,872,206.51 × 247,375,788.08 - Step 4: Simplify right side
426,026,821.47x = 145,425,350,375,739,776 - Step 5: Solve for x
x = 145,425,350,375,739,776/426,026,821.47 - Step 6: Final answer
x = 341,352,569.95
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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.