Home / 3,188,658,337.60-4,782,987,506.40-2,189,974,410.40

Finding the Fourth Proportional to 3,188,658,337.60, 4,782,987,506.40 and 2,189,974,410.40

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Solution

The fourth proportional to 3,188,658,337.60, 4,782,987,506.40 and 2,189,974,410.40 is: 3,284,961,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,658,337.60 : 4,782,987,506.40 = 2,189,974,410.40 : x
  2. Step 2: Convert to fraction form
    3,188,658,337.60/4,782,987,506.40 = 2,189,974,410.40/x
  3. Step 3: Cross multiply
    3,188,658,337.60x = 4,782,987,506.40 × 2,189,974,410.40
  4. Step 4: Simplify right side
    3,188,658,337.60x = 10,474,620,244,278,904,832
  5. Step 5: Solve for x
    x = 10,474,620,244,278,904,832/3,188,658,337.60
  6. Step 6: Final answer
    x = 3,284,961,615.60

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Double scale
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Similar ratio
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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.