Home / 392,257,932.90-587,325,216.15-307,323,276.90

Finding the Fourth Proportional to 392,257,932.90, 587,325,216.15 and 307,323,276.90

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Solution

The fourth proportional to 392,257,932.90, 587,325,216.15 and 307,323,276.90 is: 460,153,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,257,932.90 : 587,325,216.15 = 307,323,276.90 : x
  2. Step 2: Convert to fraction form
    392,257,932.90/587,325,216.15 = 307,323,276.90/x
  3. Step 3: Cross multiply
    392,257,932.90x = 587,325,216.15 × 307,323,276.90
  4. Step 4: Simplify right side
    392,257,932.90x = 180,498,710,033,218,784
  5. Step 5: Solve for x
    x = 180,498,710,033,218,784/392,257,932.90
  6. Step 6: Final answer
    x = 460,153,115.83

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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.