Home / 327,689,773.45-491,538,919.75-109,340,115.53

Finding the Fourth Proportional to 327,689,773.45, 491,538,919.75 and 109,340,115.53

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Solution

The fourth proportional to 327,689,773.45, 491,538,919.75 and 109,340,115.53 is: 164,011,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,689,773.45 : 491,538,919.75 = 109,340,115.53 : x
  2. Step 2: Convert to fraction form
    327,689,773.45/491,538,919.75 = 109,340,115.53/x
  3. Step 3: Cross multiply
    327,689,773.45x = 491,538,919.75 × 109,340,115.53
  4. Step 4: Simplify right side
    327,689,773.45x = 53,744,922,273,911,896
  5. Step 5: Solve for x
    x = 53,744,922,273,911,896/327,689,773.45
  6. Step 6: Final answer
    x = 164,011,594.59

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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.