Home / 394,117,806,071.10-591,177,677,879.30-111,138,132,495.72

Finding the Fourth Proportional to 394,117,806,071.10, 591,177,677,879.30 and 111,138,132,495.72

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Solution

The fourth proportional to 394,117,806,071.10, 591,177,677,879.30 and 111,138,132,495.72 is: 166,707,471,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,117,806,071.10 : 591,177,677,879.30 = 111,138,132,495.72 : x
  2. Step 2: Convert to fraction form
    394,117,806,071.10/591,177,677,879.30 = 111,138,132,495.72/x
  3. Step 3: Cross multiply
    394,117,806,071.10x = 591,177,677,879.30 × 111,138,132,495.72
  4. Step 4: Simplify right side
    394,117,806,071.10x = 65,702,383,092,661,724,643,328
  5. Step 5: Solve for x
    x = 65,702,383,092,661,724,643,328/394,117,806,071.10
  6. Step 6: Final answer
    x = 166,707,471,929.88

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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.