Home / 20,787,419,186.92-31,168,676,624.46-6,616,263,751.48

Finding the Fourth Proportional to 20,787,419,186.92, 31,168,676,624.46 and 6,616,263,751.48

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Solution

The fourth proportional to 20,787,419,186.92, 31,168,676,624.46 and 6,616,263,751.48 is: 9,920,432,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,419,186.92 : 31,168,676,624.46 = 6,616,263,751.48 : x
  2. Step 2: Convert to fraction form
    20,787,419,186.92/31,168,676,624.46 = 6,616,263,751.48/x
  3. Step 3: Cross multiply
    20,787,419,186.92x = 31,168,676,624.46 × 6,616,263,751.48
  4. Step 4: Simplify right side
    20,787,419,186.92x = 206,220,185,332,016,676,864
  5. Step 5: Solve for x
    x = 206,220,185,332,016,676,864/20,787,419,186.92
  6. Step 6: Final answer
    x = 9,920,432,328.69

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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.