Home / 12,492,144,375.60-18,738,216,563.40-11,941,146,346.80

Finding the Fourth Proportional to 12,492,144,375.60, 18,738,216,563.40 and 11,941,146,346.80

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Solution

The fourth proportional to 12,492,144,375.60, 18,738,216,563.40 and 11,941,146,346.80 is: 17,911,719,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,144,375.60 : 18,738,216,563.40 = 11,941,146,346.80 : x
  2. Step 2: Convert to fraction form
    12,492,144,375.60/18,738,216,563.40 = 11,941,146,346.80/x
  3. Step 3: Cross multiply
    12,492,144,375.60x = 18,738,216,563.40 × 11,941,146,346.80
  4. Step 4: Simplify right side
    12,492,144,375.60x = 223,755,786,261,591,162,880
  5. Step 5: Solve for x
    x = 223,755,786,261,591,162,880/12,492,144,375.60
  6. Step 6: Final answer
    x = 17,911,719,520.20

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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.