Home / 647,079,519.60-970,523,605.44-238,040,010.72

Finding the Fourth Proportional to 647,079,519.60, 970,523,605.44 and 238,040,010.72

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Solution

The fourth proportional to 647,079,519.60, 970,523,605.44 and 238,040,010.72 is: 357,024,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,079,519.60 : 970,523,605.44 = 238,040,010.72 : x
  2. Step 2: Convert to fraction form
    647,079,519.60/970,523,605.44 = 238,040,010.72/x
  3. Step 3: Cross multiply
    647,079,519.60x = 970,523,605.44 × 238,040,010.72
  4. Step 4: Simplify right side
    647,079,519.60x = 231,023,449,442,950,656
  5. Step 5: Solve for x
    x = 231,023,449,442,950,656/647,079,519.60
  6. Step 6: Final answer
    x = 357,024,820.67

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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.