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Finding the Fourth Proportional to 1,359,694,512.80, 2,040,549,538.80 and 996,897,456.80

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Solution

The fourth proportional to 1,359,694,512.80, 2,040,549,538.80 and 996,897,456.80 is: 1,496,085,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,694,512.80 : 2,040,549,538.80 = 996,897,456.80 : x
  2. Step 2: Convert to fraction form
    1,359,694,512.80/2,040,549,538.80 = 996,897,456.80/x
  3. Step 3: Cross multiply
    1,359,694,512.80x = 2,040,549,538.80 × 996,897,456.80
  4. Step 4: Simplify right side
    1,359,694,512.80x = 2,034,218,645,704,132,864
  5. Step 5: Solve for x
    x = 2,034,218,645,704,132,864/1,359,694,512.80
  6. Step 6: Final answer
    x = 1,496,085,059.22

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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.