Home / 394,220,339,287.30-591,324,046,935.65-125,605,670,502.74

Finding the Fourth Proportional to 394,220,339,287.30, 591,324,046,935.65 and 125,605,670,502.74

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Solution

The fourth proportional to 394,220,339,287.30, 591,324,046,935.65 and 125,605,670,502.74 is: 188,406,446,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,220,339,287.30 : 591,324,046,935.65 = 125,605,670,502.74 : x
  2. Step 2: Convert to fraction form
    394,220,339,287.30/591,324,046,935.65 = 125,605,670,502.74/x
  3. Step 3: Cross multiply
    394,220,339,287.30x = 591,324,046,935.65 × 125,605,670,502.74
  4. Step 4: Simplify right side
    394,220,339,287.30x = 74,273,653,399,746,024,308,736
  5. Step 5: Solve for x
    x = 74,273,653,399,746,024,308,736/394,220,339,287.30
  6. Step 6: Final answer
    x = 188,406,446,846.51

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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.