Home / 8,881,986,024.72-12,257,140,795.56-4,921,687,691.28

Finding the Fourth Proportional to 8,881,986,024.72, 12,257,140,795.56 and 4,921,687,691.28

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Solution

The fourth proportional to 8,881,986,024.72, 12,257,140,795.56 and 4,921,687,691.28 is: 6,791,929,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,986,024.72 : 12,257,140,795.56 = 4,921,687,691.28 : x
  2. Step 2: Convert to fraction form
    8,881,986,024.72/12,257,140,795.56 = 4,921,687,691.28/x
  3. Step 3: Cross multiply
    8,881,986,024.72x = 12,257,140,795.56 × 4,921,687,691.28
  4. Step 4: Simplify right side
    8,881,986,024.72x = 60,325,818,983,793,590,272
  5. Step 5: Solve for x
    x = 60,325,818,983,793,590,272/8,881,986,024.72
  6. Step 6: Final answer
    x = 6,791,929,059.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.