Home / 542,284,951.35-748,435,035.57-330,714,524.88

Finding the Fourth Proportional to 542,284,951.35, 748,435,035.57 and 330,714,524.88

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Solution

The fourth proportional to 542,284,951.35, 748,435,035.57 and 330,714,524.88 is: 456,435,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,951.35 : 748,435,035.57 = 330,714,524.88 : x
  2. Step 2: Convert to fraction form
    542,284,951.35/748,435,035.57 = 330,714,524.88/x
  3. Step 3: Cross multiply
    542,284,951.35x = 748,435,035.57 × 330,714,524.88
  4. Step 4: Simplify right side
    542,284,951.35x = 247,518,337,192,078,464
  5. Step 5: Solve for x
    x = 247,518,337,192,078,464/542,284,951.35
  6. Step 6: Final answer
    x = 456,435,932.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.