Home / 20,250,209,431.98-30,344,810,100.39-18,043,371,451.44

Finding the Fourth Proportional to 20,250,209,431.98, 30,344,810,100.39 and 18,043,371,451.44

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Solution

The fourth proportional to 20,250,209,431.98, 30,344,810,100.39 and 18,043,371,451.44 is: 27,037,877,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,209,431.98 : 30,344,810,100.39 = 18,043,371,451.44 : x
  2. Step 2: Convert to fraction form
    20,250,209,431.98/30,344,810,100.39 = 18,043,371,451.44/x
  3. Step 3: Cross multiply
    20,250,209,431.98x = 30,344,810,100.39 × 18,043,371,451.44
  4. Step 4: Simplify right side
    20,250,209,431.98x = 547,522,680,264,745,025,536
  5. Step 5: Solve for x
    x = 547,522,680,264,745,025,536/20,250,209,431.98
  6. Step 6: Final answer
    x = 27,037,877,415.73

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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.