Home / 724,057,745.28-999,232,591.20-426,712,536.48

Finding the Fourth Proportional to 724,057,745.28, 999,232,591.20 and 426,712,536.48

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Solution

The fourth proportional to 724,057,745.28, 999,232,591.20 and 426,712,536.48 is: 588,882,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,057,745.28 : 999,232,591.20 = 426,712,536.48 : x
  2. Step 2: Convert to fraction form
    724,057,745.28/999,232,591.20 = 426,712,536.48/x
  3. Step 3: Cross multiply
    724,057,745.28x = 999,232,591.20 × 426,712,536.48
  4. Step 4: Simplify right side
    724,057,745.28x = 426,385,073,524,434,944
  5. Step 5: Solve for x
    x = 426,385,073,524,434,944/724,057,745.28
  6. Step 6: Final answer
    x = 588,882,691.06

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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.