Home / 21,567,519,491.20-32,354,862,417.60-8,481,743,209.60

Finding the Fourth Proportional to 21,567,519,491.20, 32,354,862,417.60 and 8,481,743,209.60

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Solution

The fourth proportional to 21,567,519,491.20, 32,354,862,417.60 and 8,481,743,209.60 is: 12,724,023,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,519,491.20 : 32,354,862,417.60 = 8,481,743,209.60 : x
  2. Step 2: Convert to fraction form
    21,567,519,491.20/32,354,862,417.60 = 8,481,743,209.60/x
  3. Step 3: Cross multiply
    21,567,519,491.20x = 32,354,862,417.60 × 8,481,743,209.60
  4. Step 4: Simplify right side
    21,567,519,491.20x = 274,425,634,608,021,045,248
  5. Step 5: Solve for x
    x = 274,425,634,608,021,045,248/21,567,519,491.20
  6. Step 6: Final answer
    x = 12,724,023,952.78

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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.