Home / 394,117,806,073.97-591,177,677,883.60-111,138,132,498.59

Finding the Fourth Proportional to 394,117,806,073.97, 591,177,677,883.60 and 111,138,132,498.59

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Solution

The fourth proportional to 394,117,806,073.97, 591,177,677,883.60 and 111,138,132,498.59 is: 166,707,471,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,117,806,073.97 : 591,177,677,883.60 = 111,138,132,498.59 : x
  2. Step 2: Convert to fraction form
    394,117,806,073.97/591,177,677,883.60 = 111,138,132,498.59/x
  3. Step 3: Cross multiply
    394,117,806,073.97x = 591,177,677,883.60 × 111,138,132,498.59
  4. Step 4: Simplify right side
    394,117,806,073.97x = 65,702,383,094,836,295,106,560
  5. Step 5: Solve for x
    x = 65,702,383,094,836,295,106,560/394,117,806,073.97
  6. Step 6: Final answer
    x = 166,707,471,934.18

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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.