Home / 20,787,419,019.88-31,168,676,375.04-6,616,263,583.30

Finding the Fourth Proportional to 20,787,419,019.88, 31,168,676,375.04 and 6,616,263,583.30

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Solution

The fourth proportional to 20,787,419,019.88, 31,168,676,375.04 and 6,616,263,583.30 is: 9,920,432,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,419,019.88 : 31,168,676,375.04 = 6,616,263,583.30 : x
  2. Step 2: Convert to fraction form
    20,787,419,019.88/31,168,676,375.04 = 6,616,263,583.30/x
  3. Step 3: Cross multiply
    20,787,419,019.88x = 31,168,676,375.04 × 6,616,263,583.30
  4. Step 4: Simplify right side
    20,787,419,019.88x = 206,220,178,439,840,202,752
  5. Step 5: Solve for x
    x = 206,220,178,439,840,202,752/20,787,419,019.88
  6. Step 6: Final answer
    x = 9,920,432,076.85

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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.