Home / 392,202,408.30-588,303,612.45-239,147,400.30

Finding the Fourth Proportional to 392,202,408.30, 588,303,612.45 and 239,147,400.30

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Solution

The fourth proportional to 392,202,408.30, 588,303,612.45 and 239,147,400.30 is: 358,721,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,202,408.30 : 588,303,612.45 = 239,147,400.30 : x
  2. Step 2: Convert to fraction form
    392,202,408.30/588,303,612.45 = 239,147,400.30/x
  3. Step 3: Cross multiply
    392,202,408.30x = 588,303,612.45 × 239,147,400.30
  4. Step 4: Simplify right side
    392,202,408.30x = 140,691,279,504,516,240
  5. Step 5: Solve for x
    x = 140,691,279,504,516,240/392,202,408.30
  6. Step 6: Final answer
    x = 358,721,100.45

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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.