Home / 20,253,969,495.21-30,369,177,909.83-7,663,800,529.34

Finding the Fourth Proportional to 20,253,969,495.21, 30,369,177,909.83 and 7,663,800,529.34

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Solution

The fourth proportional to 20,253,969,495.21, 30,369,177,909.83 and 7,663,800,529.34 is: 11,491,244,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,969,495.21 : 30,369,177,909.83 = 7,663,800,529.34 : x
  2. Step 2: Convert to fraction form
    20,253,969,495.21/30,369,177,909.83 = 7,663,800,529.34/x
  3. Step 3: Cross multiply
    20,253,969,495.21x = 30,369,177,909.83 × 7,663,800,529.34
  4. Step 4: Simplify right side
    20,253,969,495.21x = 232,743,321,741,029,015,552
  5. Step 5: Solve for x
    x = 232,743,321,741,029,015,552/20,253,969,495.21
  6. Step 6: Final answer
    x = 11,491,244,804.93

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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.