Home / 426,025,089.45-587,814,778.97-258,756,691.91

Finding the Fourth Proportional to 426,025,089.45, 587,814,778.97 and 258,756,691.91

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Solution

The fourth proportional to 426,025,089.45, 587,814,778.97 and 258,756,691.91 is: 357,023,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,025,089.45 : 587,814,778.97 = 258,756,691.91 : x
  2. Step 2: Convert to fraction form
    426,025,089.45/587,814,778.97 = 258,756,691.91/x
  3. Step 3: Cross multiply
    426,025,089.45x = 587,814,778.97 × 258,756,691.91
  4. Step 4: Simplify right side
    426,025,089.45x = 152,101,007,657,852,192
  5. Step 5: Solve for x
    x = 152,101,007,657,852,192/426,025,089.45
  6. Step 6: Final answer
    x = 357,023,591.86

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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.