Home / 11,745,408,003.70-17,618,112,005.55-8,255,753,821.30

Finding the Fourth Proportional to 11,745,408,003.70, 17,618,112,005.55 and 8,255,753,821.30

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Solution

The fourth proportional to 11,745,408,003.70, 17,618,112,005.55 and 8,255,753,821.30 is: 12,383,630,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745,408,003.70 : 17,618,112,005.55 = 8,255,753,821.30 : x
  2. Step 2: Convert to fraction form
    11,745,408,003.70/17,618,112,005.55 = 8,255,753,821.30/x
  3. Step 3: Cross multiply
    11,745,408,003.70x = 17,618,112,005.55 × 8,255,753,821.30
  4. Step 4: Simplify right side
    11,745,408,003.70x = 145,450,795,513,910,820,864
  5. Step 5: Solve for x
    x = 145,450,795,513,910,820,864/11,745,408,003.70
  6. Step 6: Final answer
    x = 12,383,630,731.95

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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.