Home / 664,303,076.20-996,454,614.30-479,680,472.80

Finding the Fourth Proportional to 664,303,076.20, 996,454,614.30 and 479,680,472.80

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Solution

The fourth proportional to 664,303,076.20, 996,454,614.30 and 479,680,472.80 is: 719,520,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,076.20 : 996,454,614.30 = 479,680,472.80 : x
  2. Step 2: Convert to fraction form
    664,303,076.20/996,454,614.30 = 479,680,472.80/x
  3. Step 3: Cross multiply
    664,303,076.20x = 996,454,614.30 × 479,680,472.80
  4. Step 4: Simplify right side
    664,303,076.20x = 477,979,820,511,165,632
  5. Step 5: Solve for x
    x = 477,979,820,511,165,632/664,303,076.20
  6. Step 6: Final answer
    x = 719,520,709.20

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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.