Home / 13,437,609,971.20-20,159,438,265.60-7,914,024,793.60

Finding the Fourth Proportional to 13,437,609,971.20, 20,159,438,265.60 and 7,914,024,793.60

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Solution

The fourth proportional to 13,437,609,971.20, 20,159,438,265.60 and 7,914,024,793.60 is: 11,872,817,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,609,971.20 : 20,159,438,265.60 = 7,914,024,793.60 : x
  2. Step 2: Convert to fraction form
    13,437,609,971.20/20,159,438,265.60 = 7,914,024,793.60/x
  3. Step 3: Cross multiply
    13,437,609,971.20x = 20,159,438,265.60 × 7,914,024,793.60
  4. Step 4: Simplify right side
    13,437,609,971.20x = 159,542,294,259,006,963,712
  5. Step 5: Solve for x
    x = 159,542,294,259,006,963,712/13,437,609,971.20
  6. Step 6: Final answer
    x = 11,872,817,755.61

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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.