Home / 512,542,324.80-768,738,837.60-148,998,772.80

Finding the Fourth Proportional to 512,542,324.80, 768,738,837.60 and 148,998,772.80

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Solution

The fourth proportional to 512,542,324.80, 768,738,837.60 and 148,998,772.80 is: 223,476,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,542,324.80 : 768,738,837.60 = 148,998,772.80 : x
  2. Step 2: Convert to fraction form
    512,542,324.80/768,738,837.60 = 148,998,772.80/x
  3. Step 3: Cross multiply
    512,542,324.80x = 768,738,837.60 × 148,998,772.80
  4. Step 4: Simplify right side
    512,542,324.80x = 114,541,143,406,098,512
  5. Step 5: Solve for x
    x = 114,541,143,406,098,512/512,542,324.80
  6. Step 6: Final answer
    x = 223,476,458.17

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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.