Home / 641,591,070.21-885,243,909.78-363,132,593.73

Finding the Fourth Proportional to 641,591,070.21, 885,243,909.78 and 363,132,593.73

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Solution

The fourth proportional to 641,591,070.21, 885,243,909.78 and 363,132,593.73 is: 501,037,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,591,070.21 : 885,243,909.78 = 363,132,593.73 : x
  2. Step 2: Convert to fraction form
    641,591,070.21/885,243,909.78 = 363,132,593.73/x
  3. Step 3: Cross multiply
    641,591,070.21x = 885,243,909.78 × 363,132,593.73
  4. Step 4: Simplify right side
    641,591,070.21x = 321,460,917,042,097,536
  5. Step 5: Solve for x
    x = 321,460,917,042,097,536/641,591,070.21
  6. Step 6: Final answer
    x = 501,037,081.04

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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.