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Finding the Fourth Proportional to 204,493,251,128.40, 306,739,876,692.60 and 204,493,251,128.40

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Solution

The fourth proportional to 204,493,251,128.40, 306,739,876,692.60 and 204,493,251,128.40 is: 306,739,876,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,493,251,128.40 : 306,739,876,692.60 = 204,493,251,128.40 : x
  2. Step 2: Convert to fraction form
    204,493,251,128.40/306,739,876,692.60 = 204,493,251,128.40/x
  3. Step 3: Cross multiply
    204,493,251,128.40x = 306,739,876,692.60 × 204,493,251,128.40
  4. Step 4: Simplify right side
    204,493,251,128.40x = 62,726,234,635,594,295,672,832
  5. Step 5: Solve for x
    x = 62,726,234,635,594,295,672,832/204,493,251,128.40
  6. Step 6: Final answer
    x = 306,739,876,692.60

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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.