Home / 647,079,611.85-970,523,742.74-238,040,102.97

Finding the Fourth Proportional to 647,079,611.85, 970,523,742.74 and 238,040,102.97

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Solution

The fourth proportional to 647,079,611.85, 970,523,742.74 and 238,040,102.97 is: 357,024,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,079,611.85 : 970,523,742.74 = 238,040,102.97 : x
  2. Step 2: Convert to fraction form
    647,079,611.85/970,523,742.74 = 238,040,102.97/x
  3. Step 3: Cross multiply
    647,079,611.85x = 970,523,742.74 × 238,040,102.97
  4. Step 4: Simplify right side
    647,079,611.85x = 231,023,571,655,469,184
  5. Step 5: Solve for x
    x = 231,023,571,655,469,184/647,079,611.85
  6. Step 6: Final answer
    x = 357,024,958.64

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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.