Home / 545,917,860-818,876,902.32-182,412,254.88

Finding the Fourth Proportional to 545,917,860, 818,876,902.32 and 182,412,254.88

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Solution

The fourth proportional to 545,917,860, 818,876,902.32 and 182,412,254.88 is: 273,618,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,917,860 : 818,876,902.32 = 182,412,254.88 : x
  2. Step 2: Convert to fraction form
    545,917,860/818,876,902.32 = 182,412,254.88/x
  3. Step 3: Cross multiply
    545,917,860x = 818,876,902.32 × 182,412,254.88
  4. Step 4: Simplify right side
    545,917,860x = 149,373,182,221,340,704
  5. Step 5: Solve for x
    x = 149,373,182,221,340,704/545,917,860
  6. Step 6: Final answer
    x = 273,618,419.85

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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.