Home / 13,261,447,822.41-19,882,365,107.85-8,019,890,744.05

Finding the Fourth Proportional to 13,261,447,822.41, 19,882,365,107.85 and 8,019,890,744.05

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Solution

The fourth proportional to 13,261,447,822.41, 19,882,365,107.85 and 8,019,890,744.05 is: 12,023,905,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,447,822.41 : 19,882,365,107.85 = 8,019,890,744.05 : x
  2. Step 2: Convert to fraction form
    13,261,447,822.41/19,882,365,107.85 = 8,019,890,744.05/x
  3. Step 3: Cross multiply
    13,261,447,822.41x = 19,882,365,107.85 × 8,019,890,744.05
  4. Step 4: Simplify right side
    13,261,447,822.41x = 159,454,395,898,268,876,800
  5. Step 5: Solve for x
    x = 159,454,395,898,268,876,800/13,261,447,822.41
  6. Step 6: Final answer
    x = 12,023,905,536.83

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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.