Home / 1,236,455,163.20-1,854,682,744.80-663,146,235.20

Finding the Fourth Proportional to 1,236,455,163.20, 1,854,682,744.80 and 663,146,235.20

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Solution

The fourth proportional to 1,236,455,163.20, 1,854,682,744.80 and 663,146,235.20 is: 994,719,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,455,163.20 : 1,854,682,744.80 = 663,146,235.20 : x
  2. Step 2: Convert to fraction form
    1,236,455,163.20/1,854,682,744.80 = 663,146,235.20/x
  3. Step 3: Cross multiply
    1,236,455,163.20x = 1,854,682,744.80 × 663,146,235.20
  4. Step 4: Simplify right side
    1,236,455,163.20x = 1,229,925,879,704,522,496
  5. Step 5: Solve for x
    x = 1,229,925,879,704,522,496/1,236,455,163.20
  6. Step 6: Final answer
    x = 994,719,352.80

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Half scale
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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.