Home / 392,449,607.20-588,674,410.80-119,784,944.80

Finding the Fourth Proportional to 392,449,607.20, 588,674,410.80 and 119,784,944.80

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Solution

The fourth proportional to 392,449,607.20, 588,674,410.80 and 119,784,944.80 is: 179,677,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,449,607.20 : 588,674,410.80 = 119,784,944.80 : x
  2. Step 2: Convert to fraction form
    392,449,607.20/588,674,410.80 = 119,784,944.80/x
  3. Step 3: Cross multiply
    392,449,607.20x = 588,674,410.80 × 119,784,944.80
  4. Step 4: Simplify right side
    392,449,607.20x = 70,514,331,802,850,520
  5. Step 5: Solve for x
    x = 70,514,331,802,850,520/392,449,607.20
  6. Step 6: Final answer
    x = 179,677,417.20

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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.