Home / 330,251,288.20-495,376,932.30-100,220,003.80

Finding the Fourth Proportional to 330,251,288.20, 495,376,932.30 and 100,220,003.80

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Solution

The fourth proportional to 330,251,288.20, 495,376,932.30 and 100,220,003.80 is: 150,330,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,251,288.20 : 495,376,932.30 = 100,220,003.80 : x
  2. Step 2: Convert to fraction form
    330,251,288.20/495,376,932.30 = 100,220,003.80/x
  3. Step 3: Cross multiply
    330,251,288.20x = 495,376,932.30 × 100,220,003.80
  4. Step 4: Simplify right side
    330,251,288.20x = 49,646,678,037,538,344
  5. Step 5: Solve for x
    x = 49,646,678,037,538,344/330,251,288.20
  6. Step 6: Final answer
    x = 150,330,005.70

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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.