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Finding the Fourth Proportional to 663,744,200.80, 995,317,702.80 and 254,664,392.80

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Solution

The fourth proportional to 663,744,200.80, 995,317,702.80 and 254,664,392.80 is: 381,882,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,744,200.80 : 995,317,702.80 = 254,664,392.80 : x
  2. Step 2: Convert to fraction form
    663,744,200.80/995,317,702.80 = 254,664,392.80/x
  3. Step 3: Cross multiply
    663,744,200.80x = 995,317,702.80 × 254,664,392.80
  4. Step 4: Simplify right side
    663,744,200.80x = 253,471,978,426,652,864
  5. Step 5: Solve for x
    x = 253,471,978,426,652,864/663,744,200.80
  6. Step 6: Final answer
    x = 381,882,023.41

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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.