Finding the Fourth Proportional to 403,711,380.10, 605,850,505.35 and 173,845,432.90
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Solution
The fourth proportional to 403,711,380.10, 605,850,505.35 and 173,845,432.90 is: 260,890,201.68
Step by Step Solution
- Step 1: Write the proportion equation
403,711,380.10 : 605,850,505.35 = 173,845,432.90 : x - Step 2: Convert to fraction form
403,711,380.10/605,850,505.35 = 173,845,432.90/x - Step 3: Cross multiply
403,711,380.10x = 605,850,505.35 × 173,845,432.90 - Step 4: Simplify right side
403,711,380.10x = 105,324,343,375,254,528 - Step 5: Solve for x
x = 105,324,343,375,254,528/403,711,380.10 - Step 6: Final answer
x = 260,890,201.68
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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.