Home / 20,893,019,662,078-28,832,454,220,834-11,517,611,228,738

Finding the Fourth Proportional to 20,893,019,662,078, 28,832,454,220,834 and 11,517,611,228,738

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Solution

The fourth proportional to 20,893,019,662,078, 28,832,454,220,834 and 11,517,611,228,738 is: 15,894,351,503,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,019,662,078 : 28,832,454,220,834 = 11,517,611,228,738 : x
  2. Step 2: Convert to fraction form
    20,893,019,662,078/28,832,454,220,834 = 11,517,611,228,738/x
  3. Step 3: Cross multiply
    20,893,019,662,078x = 28,832,454,220,834 × 11,517,611,228,738
  4. Step 4: Simplify right side
    20,893,019,662,078x = 332,080,998,485,952,043,491,000,320
  5. Step 5: Solve for x
    x = 332,080,998,485,952,043,491,000,320/20,893,019,662,078
  6. Step 6: Final answer
    x = 15,894,351,503,851.67

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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.