Home / 18,173,711,270.70-27,260,566,906.05-8,378,190,758.70

Finding the Fourth Proportional to 18,173,711,270.70, 27,260,566,906.05 and 8,378,190,758.70

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Solution

The fourth proportional to 18,173,711,270.70, 27,260,566,906.05 and 8,378,190,758.70 is: 12,567,286,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711,270.70 : 27,260,566,906.05 = 8,378,190,758.70 : x
  2. Step 2: Convert to fraction form
    18,173,711,270.70/27,260,566,906.05 = 8,378,190,758.70/x
  3. Step 3: Cross multiply
    18,173,711,270.70x = 27,260,566,906.05 × 8,378,190,758.70
  4. Step 4: Simplify right side
    18,173,711,270.70x = 228,394,229,729,191,133,184
  5. Step 5: Solve for x
    x = 228,394,229,729,191,133,184/18,173,711,270.70
  6. Step 6: Final answer
    x = 12,567,286,138.05

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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.