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Finding the Fourth Proportional to 264,157,410.40, 396,236,115.60 and 203,691,234.40

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Solution

The fourth proportional to 264,157,410.40, 396,236,115.60 and 203,691,234.40 is: 305,536,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,157,410.40 : 396,236,115.60 = 203,691,234.40 : x
  2. Step 2: Convert to fraction form
    264,157,410.40/396,236,115.60 = 203,691,234.40/x
  3. Step 3: Cross multiply
    264,157,410.40x = 396,236,115.60 × 203,691,234.40
  4. Step 4: Simplify right side
    264,157,410.40x = 80,709,823,500,425,104
  5. Step 5: Solve for x
    x = 80,709,823,500,425,104/264,157,410.40
  6. Step 6: Final answer
    x = 305,536,851.60

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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.