Home / 392,202,352.80-588,303,529.20-239,147,344.80

Finding the Fourth Proportional to 392,202,352.80, 588,303,529.20 and 239,147,344.80

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Solution

The fourth proportional to 392,202,352.80, 588,303,529.20 and 239,147,344.80 is: 358,721,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,202,352.80 : 588,303,529.20 = 239,147,344.80 : x
  2. Step 2: Convert to fraction form
    392,202,352.80/588,303,529.20 = 239,147,344.80/x
  3. Step 3: Cross multiply
    392,202,352.80x = 588,303,529.20 × 239,147,344.80
  4. Step 4: Simplify right side
    392,202,352.80x = 140,691,226,944,649,280
  5. Step 5: Solve for x
    x = 140,691,226,944,649,280/392,202,352.80
  6. Step 6: Final answer
    x = 358,721,017.20

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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.