Home / 726,798,229.83-1,002,976,454.79-396,773,368.83

Finding the Fourth Proportional to 726,798,229.83, 1,002,976,454.79 and 396,773,368.83

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Solution

The fourth proportional to 726,798,229.83, 1,002,976,454.79 and 396,773,368.83 is: 547,544,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,229.83 : 1,002,976,454.79 = 396,773,368.83 : x
  2. Step 2: Convert to fraction form
    726,798,229.83/1,002,976,454.79 = 396,773,368.83/x
  3. Step 3: Cross multiply
    726,798,229.83x = 1,002,976,454.79 × 396,773,368.83
  4. Step 4: Simplify right side
    726,798,229.83x = 397,954,346,824,198,464
  5. Step 5: Solve for x
    x = 397,954,346,824,198,464/726,798,229.83
  6. Step 6: Final answer
    x = 547,544,463.50

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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.