Home / 13,261,447,819.11-19,882,365,102.94-8,019,890,740.75

Finding the Fourth Proportional to 13,261,447,819.11, 19,882,365,102.94 and 8,019,890,740.75

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Solution

The fourth proportional to 13,261,447,819.11, 19,882,365,102.94 and 8,019,890,740.75 is: 12,023,905,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,447,819.11 : 19,882,365,102.94 = 8,019,890,740.75 : x
  2. Step 2: Convert to fraction form
    13,261,447,819.11/19,882,365,102.94 = 8,019,890,740.75/x
  3. Step 3: Cross multiply
    13,261,447,819.11x = 19,882,365,102.94 × 8,019,890,740.75
  4. Step 4: Simplify right side
    13,261,447,819.11x = 159,454,395,793,180,000,256
  5. Step 5: Solve for x
    x = 159,454,395,793,180,000,256/13,261,447,819.11
  6. Step 6: Final answer
    x = 12,023,905,531.90

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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.