Home / 472,394,112.30-708,591,168.45-403,519,358.70

Finding the Fourth Proportional to 472,394,112.30, 708,591,168.45 and 403,519,358.70

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Solution

The fourth proportional to 472,394,112.30, 708,591,168.45 and 403,519,358.70 is: 605,279,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,112.30 : 708,591,168.45 = 403,519,358.70 : x
  2. Step 2: Convert to fraction form
    472,394,112.30/708,591,168.45 = 403,519,358.70/x
  3. Step 3: Cross multiply
    472,394,112.30x = 708,591,168.45 × 403,519,358.70
  4. Step 4: Simplify right side
    472,394,112.30x = 285,930,253,873,427,680
  5. Step 5: Solve for x
    x = 285,930,253,873,427,680/472,394,112.30
  6. Step 6: Final answer
    x = 605,279,038.05

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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.