Home / 724,944,446.96-1,087,958,223.64-491,220,976.24

Finding the Fourth Proportional to 724,944,446.96, 1,087,958,223.64 and 491,220,976.24

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Solution

The fourth proportional to 724,944,446.96, 1,087,958,223.64 and 491,220,976.24 is: 737,198,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,944,446.96 : 1,087,958,223.64 = 491,220,976.24 : x
  2. Step 2: Convert to fraction form
    724,944,446.96/1,087,958,223.64 = 491,220,976.24/x
  3. Step 3: Cross multiply
    724,944,446.96x = 1,087,958,223.64 × 491,220,976.24
  4. Step 4: Simplify right side
    724,944,446.96x = 534,427,900,724,777,088
  5. Step 5: Solve for x
    x = 534,427,900,724,777,088/724,944,446.96
  6. Step 6: Final answer
    x = 737,198,419.78

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Double scale
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1.5x scale

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.