Home / 3,618,491,761.41-5,428,050,274.85-998,295,869.85

Finding the Fourth Proportional to 3,618,491,761.41, 5,428,050,274.85 and 998,295,869.85

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Solution

The fourth proportional to 3,618,491,761.41, 5,428,050,274.85 and 998,295,869.85 is: 1,497,530,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,491,761.41 : 5,428,050,274.85 = 998,295,869.85 : x
  2. Step 2: Convert to fraction form
    3,618,491,761.41/5,428,050,274.85 = 998,295,869.85/x
  3. Step 3: Cross multiply
    3,618,491,761.41x = 5,428,050,274.85 × 998,295,869.85
  4. Step 4: Simplify right side
    3,618,491,761.41x = 5,418,800,170,715,921,408
  5. Step 5: Solve for x
    x = 5,418,800,170,715,921,408/3,618,491,761.41
  6. Step 6: Final answer
    x = 1,497,530,056.17

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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.