Home / 14,818,521,355.98-20,449,595,171.43-8,135,948,676.30

Finding the Fourth Proportional to 14,818,521,355.98, 20,449,595,171.43 and 8,135,948,676.30

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Solution

The fourth proportional to 14,818,521,355.98, 20,449,595,171.43 and 8,135,948,676.30 is: 11,227,628,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818,521,355.98 : 20,449,595,171.43 = 8,135,948,676.30 : x
  2. Step 2: Convert to fraction form
    14,818,521,355.98/20,449,595,171.43 = 8,135,948,676.30/x
  3. Step 3: Cross multiply
    14,818,521,355.98x = 20,449,595,171.43 × 8,135,948,676.30
  4. Step 4: Simplify right side
    14,818,521,355.98x = 166,376,856,765,866,770,432
  5. Step 5: Solve for x
    x = 166,376,856,765,866,770,432/14,818,521,355.98
  6. Step 6: Final answer
    x = 11,227,628,774.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.