Home / 726,700,572.30-1,088,751,780.45-442,241,856.30

Finding the Fourth Proportional to 726,700,572.30, 1,088,751,780.45 and 442,241,856.30

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Solution

The fourth proportional to 726,700,572.30, 1,088,751,780.45 and 442,241,856.30 is: 662,572,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,700,572.30 : 1,088,751,780.45 = 442,241,856.30 : x
  2. Step 2: Convert to fraction form
    726,700,572.30/1,088,751,780.45 = 442,241,856.30/x
  3. Step 3: Cross multiply
    726,700,572.30x = 1,088,751,780.45 × 442,241,856.30
  4. Step 4: Simplify right side
    726,700,572.30x = 481,491,608,436,138,112
  5. Step 5: Solve for x
    x = 481,491,608,436,138,112/726,700,572.30
  6. Step 6: Final answer
    x = 662,572,215.83

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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.