Home / 726,115,118.20-1,002,009,265.17-428,853,594.85

Finding the Fourth Proportional to 726,115,118.20, 1,002,009,265.17 and 428,853,594.85

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Solution

The fourth proportional to 726,115,118.20, 1,002,009,265.17 and 428,853,594.85 is: 591,800,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,115,118.20 : 1,002,009,265.17 = 428,853,594.85 : x
  2. Step 2: Convert to fraction form
    726,115,118.20/1,002,009,265.17 = 428,853,594.85/x
  3. Step 3: Cross multiply
    726,115,118.20x = 1,002,009,265.17 × 428,853,594.85
  4. Step 4: Simplify right side
    726,115,118.20x = 429,715,275,437,026,752
  5. Step 5: Solve for x
    x = 429,715,275,437,026,752/726,115,118.20
  6. Step 6: Final answer
    x = 591,800,479.93

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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.