Home / 1,236,455,220.20-1,854,682,830.30-663,146,292.20

Finding the Fourth Proportional to 1,236,455,220.20, 1,854,682,830.30 and 663,146,292.20

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Solution

The fourth proportional to 1,236,455,220.20, 1,854,682,830.30 and 663,146,292.20 is: 994,719,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,455,220.20 : 1,854,682,830.30 = 663,146,292.20 : x
  2. Step 2: Convert to fraction form
    1,236,455,220.20/1,854,682,830.30 = 663,146,292.20/x
  3. Step 3: Cross multiply
    1,236,455,220.20x = 1,854,682,830.30 × 663,146,292.20
  4. Step 4: Simplify right side
    1,236,455,220.20x = 1,229,926,042,120,446,976
  5. Step 5: Solve for x
    x = 1,229,926,042,120,446,976/1,236,455,220.20
  6. Step 6: Final answer
    x = 994,719,438.30

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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.