Home / 8,321,887,020.80-12,482,830,531.20-3,418,080,147.20

Finding the Fourth Proportional to 8,321,887,020.80, 12,482,830,531.20 and 3,418,080,147.20

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Solution

The fourth proportional to 8,321,887,020.80, 12,482,830,531.20 and 3,418,080,147.20 is: 5,127,120,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,887,020.80 : 12,482,830,531.20 = 3,418,080,147.20 : x
  2. Step 2: Convert to fraction form
    8,321,887,020.80/12,482,830,531.20 = 3,418,080,147.20/x
  3. Step 3: Cross multiply
    8,321,887,020.80x = 12,482,830,531.20 × 3,418,080,147.20
  4. Step 4: Simplify right side
    8,321,887,020.80x = 42,667,315,219,556,753,408
  5. Step 5: Solve for x
    x = 42,667,315,219,556,753,408/8,321,887,020.80
  6. Step 6: Final answer
    x = 5,127,120,220.80

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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.