Home / 681,791,166.39-1,022,680,581.33-215,452,666.95

Finding the Fourth Proportional to 681,791,166.39, 1,022,680,581.33 and 215,452,666.95

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Solution

The fourth proportional to 681,791,166.39, 1,022,680,581.33 and 215,452,666.95 is: 323,177,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,791,166.39 : 1,022,680,581.33 = 215,452,666.95 : x
  2. Step 2: Convert to fraction form
    681,791,166.39/1,022,680,581.33 = 215,452,666.95/x
  3. Step 3: Cross multiply
    681,791,166.39x = 1,022,680,581.33 × 215,452,666.95
  4. Step 4: Simplify right side
    681,791,166.39x = 220,339,258,685,524,864
  5. Step 5: Solve for x
    x = 220,339,258,685,524,864/681,791,166.39
  6. Step 6: Final answer
    x = 323,177,051.20

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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.