Home / 398,608,439.20-597,912,658.80-296,571,767.20

Finding the Fourth Proportional to 398,608,439.20, 597,912,658.80 and 296,571,767.20

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Solution

The fourth proportional to 398,608,439.20, 597,912,658.80 and 296,571,767.20 is: 444,857,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,608,439.20 : 597,912,658.80 = 296,571,767.20 : x
  2. Step 2: Convert to fraction form
    398,608,439.20/597,912,658.80 = 296,571,767.20/x
  3. Step 3: Cross multiply
    398,608,439.20x = 597,912,658.80 × 296,571,767.20
  4. Step 4: Simplify right side
    398,608,439.20x = 177,324,013,851,566,624
  5. Step 5: Solve for x
    x = 177,324,013,851,566,624/398,608,439.20
  6. Step 6: Final answer
    x = 444,857,650.80

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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.