Home / 2,646,160,473.72-3,969,350,251.96-780,806,132.60

Finding the Fourth Proportional to 2,646,160,473.72, 3,969,350,251.96 and 780,806,132.60

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Solution

The fourth proportional to 2,646,160,473.72, 3,969,350,251.96 and 780,806,132.60 is: 1,171,241,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,160,473.72 : 3,969,350,251.96 = 780,806,132.60 : x
  2. Step 2: Convert to fraction form
    2,646,160,473.72/3,969,350,251.96 = 780,806,132.60/x
  3. Step 3: Cross multiply
    2,646,160,473.72x = 3,969,350,251.96 × 780,806,132.60
  4. Step 4: Simplify right side
    2,646,160,473.72x = 3,099,293,019,167,723,520
  5. Step 5: Solve for x
    x = 3,099,293,019,167,723,520/2,646,160,473.72
  6. Step 6: Final answer
    x = 1,171,241,521.42

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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.