Home / 39,940,601,191.39-55,118,059,359.87-21,629,801,005.97

Finding the Fourth Proportional to 39,940,601,191.39, 55,118,059,359.87 and 21,629,801,005.97

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Solution

The fourth proportional to 39,940,601,191.39, 55,118,059,359.87 and 21,629,801,005.97 is: 29,849,141,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940,601,191.39 : 55,118,059,359.87 = 21,629,801,005.97 : x
  2. Step 2: Convert to fraction form
    39,940,601,191.39/55,118,059,359.87 = 21,629,801,005.97/x
  3. Step 3: Cross multiply
    39,940,601,191.39x = 55,118,059,359.87 × 21,629,801,005.97
  4. Step 4: Simplify right side
    39,940,601,191.39x = 1,192,192,655,789,230,391,296
  5. Step 5: Solve for x
    x = 1,192,192,655,789,230,391,296/39,940,601,191.39
  6. Step 6: Final answer
    x = 29,849,141,480.78

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1.5x scale

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.