Home / 3,981,315,274.80-5,971,972,912.20-3,943,094,679.60

Finding the Fourth Proportional to 3,981,315,274.80, 5,971,972,912.20 and 3,943,094,679.60

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Solution

The fourth proportional to 3,981,315,274.80, 5,971,972,912.20 and 3,943,094,679.60 is: 5,914,642,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,315,274.80 : 5,971,972,912.20 = 3,943,094,679.60 : x
  2. Step 2: Convert to fraction form
    3,981,315,274.80/5,971,972,912.20 = 3,943,094,679.60/x
  3. Step 3: Cross multiply
    3,981,315,274.80x = 5,971,972,912.20 × 3,943,094,679.60
  4. Step 4: Simplify right side
    3,981,315,274.80x = 23,548,054,616,811,134,976
  5. Step 5: Solve for x
    x = 23,548,054,616,811,134,976/3,981,315,274.80
  6. Step 6: Final answer
    x = 5,914,642,019.40

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Double scale
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Similar ratio
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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.