Home / 1,380,827,618.88-2,071,227,233.88-798,191,132.64

Finding the Fourth Proportional to 1,380,827,618.88, 2,071,227,233.88 and 798,191,132.64

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Solution

The fourth proportional to 1,380,827,618.88, 2,071,227,233.88 and 798,191,132.64 is: 1,197,278,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,827,618.88 : 2,071,227,233.88 = 798,191,132.64 : x
  2. Step 2: Convert to fraction form
    1,380,827,618.88/2,071,227,233.88 = 798,191,132.64/x
  3. Step 3: Cross multiply
    1,380,827,618.88x = 2,071,227,233.88 × 798,191,132.64
  4. Step 4: Simplify right side
    1,380,827,618.88x = 1,653,235,211,765,491,456
  5. Step 5: Solve for x
    x = 1,653,235,211,765,491,456/1,380,827,618.88
  6. Step 6: Final answer
    x = 1,197,278,493.83

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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.