Home / 13,580,573,695.21-18,741,192,600.62-7,558,949,872.05

Finding the Fourth Proportional to 13,580,573,695.21, 18,741,192,600.62 and 7,558,949,872.05

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Solution

The fourth proportional to 13,580,573,695.21, 18,741,192,600.62 and 7,558,949,872.05 is: 10,431,351,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,573,695.21 : 18,741,192,600.62 = 7,558,949,872.05 : x
  2. Step 2: Convert to fraction form
    13,580,573,695.21/18,741,192,600.62 = 7,558,949,872.05/x
  3. Step 3: Cross multiply
    13,580,573,695.21x = 18,741,192,600.62 × 7,558,949,872.05
  4. Step 4: Simplify right side
    13,580,573,695.21x = 141,663,735,410,520,948,736
  5. Step 5: Solve for x
    x = 141,663,735,410,520,948,736/13,580,573,695.21
  6. Step 6: Final answer
    x = 10,431,351,325.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.