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Finding the Fourth Proportional to 1,268,482,900.20, 1,902,724,350.30 and 1,268,482,900.20

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Solution

The fourth proportional to 1,268,482,900.20, 1,902,724,350.30 and 1,268,482,900.20 is: 1,902,724,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,482,900.20 : 1,902,724,350.30 = 1,268,482,900.20 : x
  2. Step 2: Convert to fraction form
    1,268,482,900.20/1,902,724,350.30 = 1,268,482,900.20/x
  3. Step 3: Cross multiply
    1,268,482,900.20x = 1,902,724,350.30 × 1,268,482,900.20
  4. Step 4: Simplify right side
    1,268,482,900.20x = 2,413,573,302,149,704,704
  5. Step 5: Solve for x
    x = 2,413,573,302,149,704,704/1,268,482,900.20
  6. Step 6: Final answer
    x = 1,902,724,350.30

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Double scale
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1.5x scale

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.