Home / 3,618,491,717.25-5,428,050,208.38-998,295,825.60

Finding the Fourth Proportional to 3,618,491,717.25, 5,428,050,208.38 and 998,295,825.60

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Solution

The fourth proportional to 3,618,491,717.25, 5,428,050,208.38 and 998,295,825.60 is: 1,497,529,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,491,717.25 : 5,428,050,208.38 = 998,295,825.60 : x
  2. Step 2: Convert to fraction form
    3,618,491,717.25/5,428,050,208.38 = 998,295,825.60/x
  3. Step 3: Cross multiply
    3,618,491,717.25x = 5,428,050,208.38 × 998,295,825.60
  4. Step 4: Simplify right side
    3,618,491,717.25x = 5,418,799,864,172,964,864
  5. Step 5: Solve for x
    x = 5,418,799,864,172,964,864/3,618,491,717.25
  6. Step 6: Final answer
    x = 1,497,529,989.73

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Double scale
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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.