Home / 2,589,019,415.20-3,884,033,007.60-748,832,125.60

Finding the Fourth Proportional to 2,589,019,415.20, 3,884,033,007.60 and 748,832,125.60

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Solution

The fourth proportional to 2,589,019,415.20, 3,884,033,007.60 and 748,832,125.60 is: 1,123,393,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,019,415.20 : 3,884,033,007.60 = 748,832,125.60 : x
  2. Step 2: Convert to fraction form
    2,589,019,415.20/3,884,033,007.60 = 748,832,125.60/x
  3. Step 3: Cross multiply
    2,589,019,415.20x = 3,884,033,007.60 × 748,832,125.60
  4. Step 4: Simplify right side
    2,589,019,415.20x = 2,908,488,692,981,668,864
  5. Step 5: Solve for x
    x = 2,908,488,692,981,668,864/2,589,019,415.20
  6. Step 6: Final answer
    x = 1,123,393,928.95

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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.