Home / 378,145,724.20-567,218,586.30-323,726,165.80

Finding the Fourth Proportional to 378,145,724.20, 567,218,586.30 and 323,726,165.80

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Solution

The fourth proportional to 378,145,724.20, 567,218,586.30 and 323,726,165.80 is: 485,589,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,145,724.20 : 567,218,586.30 = 323,726,165.80 : x
  2. Step 2: Convert to fraction form
    378,145,724.20/567,218,586.30 = 323,726,165.80/x
  3. Step 3: Cross multiply
    378,145,724.20x = 567,218,586.30 × 323,726,165.80
  4. Step 4: Simplify right side
    378,145,724.20x = 183,623,498,113,395,392
  5. Step 5: Solve for x
    x = 183,623,498,113,395,392/378,145,724.20
  6. Step 6: Final answer
    x = 485,589,248.70

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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.