Home / 18,173,711,292.20-27,260,566,938.30-8,378,190,780.20

Finding the Fourth Proportional to 18,173,711,292.20, 27,260,566,938.30 and 8,378,190,780.20

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Solution

The fourth proportional to 18,173,711,292.20, 27,260,566,938.30 and 8,378,190,780.20 is: 12,567,286,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711,292.20 : 27,260,566,938.30 = 8,378,190,780.20 : x
  2. Step 2: Convert to fraction form
    18,173,711,292.20/27,260,566,938.30 = 8,378,190,780.20/x
  3. Step 3: Cross multiply
    18,173,711,292.20x = 27,260,566,938.30 × 8,378,190,780.20
  4. Step 4: Simplify right side
    18,173,711,292.20x = 228,394,230,585,489,981,440
  5. Step 5: Solve for x
    x = 228,394,230,585,489,981,440/18,173,711,292.20
  6. Step 6: Final answer
    x = 12,567,286,170.30

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Double scale
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1.5x scale

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.