Home / 71,755,410,262.73-99,022,505,886.18-38,758,497,456.96

Finding the Fourth Proportional to 71,755,410,262.73, 99,022,505,886.18 and 38,758,497,456.96

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Solution

The fourth proportional to 71,755,410,262.73, 99,022,505,886.18 and 38,758,497,456.96 is: 53,486,747,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755,410,262.73 : 99,022,505,886.18 = 38,758,497,456.96 : x
  2. Step 2: Convert to fraction form
    71,755,410,262.73/99,022,505,886.18 = 38,758,497,456.96/x
  3. Step 3: Cross multiply
    71,755,410,262.73x = 99,022,505,886.18 × 38,758,497,456.96
  4. Step 4: Simplify right side
    71,755,410,262.73x = 3,837,963,542,571,313,528,832
  5. Step 5: Solve for x
    x = 3,837,963,542,571,313,528,832/71,755,410,262.73
  6. Step 6: Final answer
    x = 53,486,747,947.21

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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.