Home / 726,798,229.92-1,002,976,454.97-396,773,368.92

Finding the Fourth Proportional to 726,798,229.92, 1,002,976,454.97 and 396,773,368.92

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Solution

The fourth proportional to 726,798,229.92, 1,002,976,454.97 and 396,773,368.92 is: 547,544,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,229.92 : 1,002,976,454.97 = 396,773,368.92 : x
  2. Step 2: Convert to fraction form
    726,798,229.92/1,002,976,454.97 = 396,773,368.92/x
  3. Step 3: Cross multiply
    726,798,229.92x = 1,002,976,454.97 × 396,773,368.92
  4. Step 4: Simplify right side
    726,798,229.92x = 397,954,346,985,885,632
  5. Step 5: Solve for x
    x = 397,954,346,985,885,632/726,798,229.92
  6. Step 6: Final answer
    x = 547,544,463.65

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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.