Home / 392,204,285.80-586,794,774.30-256,155,389.80

Finding the Fourth Proportional to 392,204,285.80, 586,794,774.30 and 256,155,389.80

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Solution

The fourth proportional to 392,204,285.80, 586,794,774.30 and 256,155,389.80 is: 383,245,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,204,285.80 : 586,794,774.30 = 256,155,389.80 : x
  2. Step 2: Convert to fraction form
    392,204,285.80/586,794,774.30 = 256,155,389.80/x
  3. Step 3: Cross multiply
    392,204,285.80x = 586,794,774.30 × 256,155,389.80
  4. Step 4: Simplify right side
    392,204,285.80x = 150,310,644,143,419,520
  5. Step 5: Solve for x
    x = 150,310,644,143,419,520/392,204,285.80
  6. Step 6: Final answer
    x = 383,245,797.12

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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.