Home / 3,985,902,002.90-5,978,853,004.35-2,149,241,906.90

Finding the Fourth Proportional to 3,985,902,002.90, 5,978,853,004.35 and 2,149,241,906.90

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Solution

The fourth proportional to 3,985,902,002.90, 5,978,853,004.35 and 2,149,241,906.90 is: 3,223,862,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,902,002.90 : 5,978,853,004.35 = 2,149,241,906.90 : x
  2. Step 2: Convert to fraction form
    3,985,902,002.90/5,978,853,004.35 = 2,149,241,906.90/x
  3. Step 3: Cross multiply
    3,985,902,002.90x = 5,978,853,004.35 × 2,149,241,906.90
  4. Step 4: Simplify right side
    3,985,902,002.90x = 12,850,001,432,143,988,736
  5. Step 5: Solve for x
    x = 12,850,001,432,143,988,736/3,985,902,002.90
  6. Step 6: Final answer
    x = 3,223,862,860.35

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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.