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Finding the Fourth Proportional to 661,195,383.06, 991,936,550.88 and 201,121,594.95

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Solution

The fourth proportional to 661,195,383.06, 991,936,550.88 and 201,121,594.95 is: 301,726,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,195,383.06 : 991,936,550.88 = 201,121,594.95 : x
  2. Step 2: Convert to fraction form
    661,195,383.06/991,936,550.88 = 201,121,594.95/x
  3. Step 3: Cross multiply
    661,195,383.06x = 991,936,550.88 × 201,121,594.95
  4. Step 4: Simplify right side
    661,195,383.06x = 199,499,861,202,187,424
  5. Step 5: Solve for x
    x = 199,499,861,202,187,424/661,195,383.06
  6. Step 6: Final answer
    x = 301,726,034.87

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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.