Home / 18,173,711,258.20-27,260,566,887.30-8,378,190,746.20

Finding the Fourth Proportional to 18,173,711,258.20, 27,260,566,887.30 and 8,378,190,746.20

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Solution

The fourth proportional to 18,173,711,258.20, 27,260,566,887.30 and 8,378,190,746.20 is: 12,567,286,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711,258.20 : 27,260,566,887.30 = 8,378,190,746.20 : x
  2. Step 2: Convert to fraction form
    18,173,711,258.20/27,260,566,887.30 = 8,378,190,746.20/x
  3. Step 3: Cross multiply
    18,173,711,258.20x = 27,260,566,887.30 × 8,378,190,746.20
  4. Step 4: Simplify right side
    18,173,711,258.20x = 228,394,229,231,342,977,024
  5. Step 5: Solve for x
    x = 228,394,229,231,342,977,024/18,173,711,258.20
  6. Step 6: Final answer
    x = 12,567,286,119.30

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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.