Home / 4,138,353,748.38-5,718,398,524.08-2,946,854,141.72

Finding the Fourth Proportional to 4,138,353,748.38, 5,718,398,524.08 and 2,946,854,141.72

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Solution

The fourth proportional to 4,138,353,748.38, 5,718,398,524.08 and 2,946,854,141.72 is: 4,071,978,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,353,748.38 : 5,718,398,524.08 = 2,946,854,141.72 : x
  2. Step 2: Convert to fraction form
    4,138,353,748.38/5,718,398,524.08 = 2,946,854,141.72/x
  3. Step 3: Cross multiply
    4,138,353,748.38x = 5,718,398,524.08 × 2,946,854,141.72
  4. Step 4: Simplify right side
    4,138,353,748.38x = 16,851,286,374,690,680,832
  5. Step 5: Solve for x
    x = 16,851,286,374,690,680,832/4,138,353,748.38
  6. Step 6: Final answer
    x = 4,071,978,230.78

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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.