Home / 3,985,902,004.90-5,978,853,007.35-2,149,241,908.90

Finding the Fourth Proportional to 3,985,902,004.90, 5,978,853,007.35 and 2,149,241,908.90

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Solution

The fourth proportional to 3,985,902,004.90, 5,978,853,007.35 and 2,149,241,908.90 is: 3,223,862,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,902,004.90 : 5,978,853,007.35 = 2,149,241,908.90 : x
  2. Step 2: Convert to fraction form
    3,985,902,004.90/5,978,853,007.35 = 2,149,241,908.90/x
  3. Step 3: Cross multiply
    3,985,902,004.90x = 5,978,853,007.35 × 2,149,241,908.90
  4. Step 4: Simplify right side
    3,985,902,004.90x = 12,850,001,450,549,422,080
  5. Step 5: Solve for x
    x = 12,850,001,450,549,422,080/3,985,902,004.90
  6. Step 6: Final answer
    x = 3,223,862,863.35

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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.