Home / 3,985,902,006.40-5,978,853,009.60-2,149,241,910.40

Finding the Fourth Proportional to 3,985,902,006.40, 5,978,853,009.60 and 2,149,241,910.40

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Solution

The fourth proportional to 3,985,902,006.40, 5,978,853,009.60 and 2,149,241,910.40 is: 3,223,862,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,902,006.40 : 5,978,853,009.60 = 2,149,241,910.40 : x
  2. Step 2: Convert to fraction form
    3,985,902,006.40/5,978,853,009.60 = 2,149,241,910.40/x
  3. Step 3: Cross multiply
    3,985,902,006.40x = 5,978,853,009.60 × 2,149,241,910.40
  4. Step 4: Simplify right side
    3,985,902,006.40x = 12,850,001,464,353,495,040
  5. Step 5: Solve for x
    x = 12,850,001,464,353,495,040/3,985,902,006.40
  6. Step 6: Final answer
    x = 3,223,862,865.60

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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.