Home / 756,425,351.43-1,132,310,873.21-493,543,854.90

Finding the Fourth Proportional to 756,425,351.43, 1,132,310,873.21 and 493,543,854.90

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Solution

The fourth proportional to 756,425,351.43, 1,132,310,873.21 and 493,543,854.90 is: 738,797,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,425,351.43 : 1,132,310,873.21 = 493,543,854.90 : x
  2. Step 2: Convert to fraction form
    756,425,351.43/1,132,310,873.21 = 493,543,854.90/x
  3. Step 3: Cross multiply
    756,425,351.43x = 1,132,310,873.21 × 493,543,854.90
  4. Step 4: Simplify right side
    756,425,351.43x = 558,845,073,306,780,736
  5. Step 5: Solve for x
    x = 558,845,073,306,780,736/756,425,351.43
  6. Step 6: Final answer
    x = 738,797,387.28

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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.