Home / 400,109,858.67-552,158,142.69-219,053,819.73

Finding the Fourth Proportional to 400,109,858.67, 552,158,142.69 and 219,053,819.73

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Solution

The fourth proportional to 400,109,858.67, 552,158,142.69 and 219,053,819.73 is: 302,297,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,109,858.67 : 552,158,142.69 = 219,053,819.73 : x
  2. Step 2: Convert to fraction form
    400,109,858.67/552,158,142.69 = 219,053,819.73/x
  3. Step 3: Cross multiply
    400,109,858.67x = 552,158,142.69 × 219,053,819.73
  4. Step 4: Simplify right side
    400,109,858.67x = 120,952,350,251,266,880
  5. Step 5: Solve for x
    x = 120,952,350,251,266,880/400,109,858.67
  6. Step 6: Final answer
    x = 302,297,850.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.