Home / 665,126,462.43-917,442,027.05-426,593,826.26

Finding the Fourth Proportional to 665,126,462.43, 917,442,027.05 and 426,593,826.26

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Solution

The fourth proportional to 665,126,462.43, 917,442,027.05 and 426,593,826.26 is: 588,422,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,126,462.43 : 917,442,027.05 = 426,593,826.26 : x
  2. Step 2: Convert to fraction form
    665,126,462.43/917,442,027.05 = 426,593,826.26/x
  3. Step 3: Cross multiply
    665,126,462.43x = 917,442,027.05 × 426,593,826.26
  4. Step 4: Simplify right side
    665,126,462.43x = 391,375,104,687,469,184
  5. Step 5: Solve for x
    x = 391,375,104,687,469,184/665,126,462.43
  6. Step 6: Final answer
    x = 588,422,092.33

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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.