Home / 3,985,902,002.40-5,978,853,003.60-2,149,241,906.40

Finding the Fourth Proportional to 3,985,902,002.40, 5,978,853,003.60 and 2,149,241,906.40

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Solution

The fourth proportional to 3,985,902,002.40, 5,978,853,003.60 and 2,149,241,906.40 is: 3,223,862,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,902,002.40 : 5,978,853,003.60 = 2,149,241,906.40 : x
  2. Step 2: Convert to fraction form
    3,985,902,002.40/5,978,853,003.60 = 2,149,241,906.40/x
  3. Step 3: Cross multiply
    3,985,902,002.40x = 5,978,853,003.60 × 2,149,241,906.40
  4. Step 4: Simplify right side
    3,985,902,002.40x = 12,850,001,427,542,632,448
  5. Step 5: Solve for x
    x = 12,850,001,427,542,632,448/3,985,902,002.40
  6. Step 6: Final answer
    x = 3,223,862,859.60

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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.