Home / 2,181,419,872.76-3,272,589,422.96-707,444,749.69

Finding the Fourth Proportional to 2,181,419,872.76, 3,272,589,422.96 and 707,444,749.69

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Solution

The fourth proportional to 2,181,419,872.76, 3,272,589,422.96 and 707,444,749.69 is: 1,061,316,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,419,872.76 : 3,272,589,422.96 = 707,444,749.69 : x
  2. Step 2: Convert to fraction form
    2,181,419,872.76/3,272,589,422.96 = 707,444,749.69/x
  3. Step 3: Cross multiply
    2,181,419,872.76x = 3,272,589,422.96 × 707,444,749.69
  4. Step 4: Simplify right side
    2,181,419,872.76x = 2,315,176,205,161,490,432
  5. Step 5: Solve for x
    x = 2,315,176,205,161,490,432/2,181,419,872.76
  6. Step 6: Final answer
    x = 1,061,316,179.46

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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.