Home / 394,117,806,074.97-591,177,677,885.10-111,138,132,499.59

Finding the Fourth Proportional to 394,117,806,074.97, 591,177,677,885.10 and 111,138,132,499.59

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Solution

The fourth proportional to 394,117,806,074.97, 591,177,677,885.10 and 111,138,132,499.59 is: 166,707,471,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,117,806,074.97 : 591,177,677,885.10 = 111,138,132,499.59 : x
  2. Step 2: Convert to fraction form
    394,117,806,074.97/591,177,677,885.10 = 111,138,132,499.59/x
  3. Step 3: Cross multiply
    394,117,806,074.97x = 591,177,677,885.10 × 111,138,132,499.59
  4. Step 4: Simplify right side
    394,117,806,074.97x = 65,702,383,095,594,172,284,928
  5. Step 5: Solve for x
    x = 65,702,383,095,594,172,284,928/394,117,806,074.97
  6. Step 6: Final answer
    x = 166,707,471,935.68

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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.