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Finding the Fourth Proportional to 1,659,317,907.10, 2,488,976,860.65 and 1,659,317,907.10

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Solution

The fourth proportional to 1,659,317,907.10, 2,488,976,860.65 and 1,659,317,907.10 is: 2,488,976,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,317,907.10 : 2,488,976,860.65 = 1,659,317,907.10 : x
  2. Step 2: Convert to fraction form
    1,659,317,907.10/2,488,976,860.65 = 1,659,317,907.10/x
  3. Step 3: Cross multiply
    1,659,317,907.10x = 2,488,976,860.65 × 1,659,317,907.10
  4. Step 4: Simplify right side
    1,659,317,907.10x = 4,130,003,875,234,086,400
  5. Step 5: Solve for x
    x = 4,130,003,875,234,086,400/1,659,317,907.10
  6. Step 6: Final answer
    x = 2,488,976,860.65

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Double scale
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Similar ratio
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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.