Home / 726,798,211.83-1,002,976,429.95-396,773,350.83

Finding the Fourth Proportional to 726,798,211.83, 1,002,976,429.95 and 396,773,350.83

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Solution

The fourth proportional to 726,798,211.83, 1,002,976,429.95 and 396,773,350.83 is: 547,544,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,798,211.83 : 1,002,976,429.95 = 396,773,350.83 : x
  2. Step 2: Convert to fraction form
    726,798,211.83/1,002,976,429.95 = 396,773,350.83/x
  3. Step 3: Cross multiply
    726,798,211.83x = 1,002,976,429.95 × 396,773,350.83
  4. Step 4: Simplify right side
    726,798,211.83x = 397,954,318,914,772,288
  5. Step 5: Solve for x
    x = 397,954,318,914,772,288/726,798,211.83
  6. Step 6: Final answer
    x = 547,544,438.66

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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.