Home / 378,458,244.28-567,691,915.40-148,535,610.04

Finding the Fourth Proportional to 378,458,244.28, 567,691,915.40 and 148,535,610.04

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Solution

The fourth proportional to 378,458,244.28, 567,691,915.40 and 148,535,610.04 is: 222,805,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,458,244.28 : 567,691,915.40 = 148,535,610.04 : x
  2. Step 2: Convert to fraction form
    378,458,244.28/567,691,915.40 = 148,535,610.04/x
  3. Step 3: Cross multiply
    378,458,244.28x = 567,691,915.40 × 148,535,610.04
  4. Step 4: Simplify right side
    378,458,244.28x = 84,322,464,968,715,056
  5. Step 5: Solve for x
    x = 84,322,464,968,715,056/378,458,244.28
  6. Step 6: Final answer
    x = 222,805,200.42

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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.