Home / 394,220,339,286.30-591,324,046,934.13-125,605,670,501.74

Finding the Fourth Proportional to 394,220,339,286.30, 591,324,046,934.13 and 125,605,670,501.74

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Solution

The fourth proportional to 394,220,339,286.30, 591,324,046,934.13 and 125,605,670,501.74 is: 188,406,446,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,220,339,286.30 : 591,324,046,934.13 = 125,605,670,501.74 : x
  2. Step 2: Convert to fraction form
    394,220,339,286.30/591,324,046,934.13 = 125,605,670,501.74/x
  3. Step 3: Cross multiply
    394,220,339,286.30x = 591,324,046,934.13 × 125,605,670,501.74
  4. Step 4: Simplify right side
    394,220,339,286.30x = 74,273,653,398,963,778,224,128
  5. Step 5: Solve for x
    x = 74,273,653,398,963,778,224,128/394,220,339,286.30
  6. Step 6: Final answer
    x = 188,406,446,845.00

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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.