Home / 391,522,600.44-540,315,394.74-224,291,182.41

Finding the Fourth Proportional to 391,522,600.44, 540,315,394.74 and 224,291,182.41

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Solution

The fourth proportional to 391,522,600.44, 540,315,394.74 and 224,291,182.41 is: 309,529,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,522,600.44 : 540,315,394.74 = 224,291,182.41 : x
  2. Step 2: Convert to fraction form
    391,522,600.44/540,315,394.74 = 224,291,182.41/x
  3. Step 3: Cross multiply
    391,522,600.44x = 540,315,394.74 × 224,291,182.41
  4. Step 4: Simplify right side
    391,522,600.44x = 121,187,978,760,560,496
  5. Step 5: Solve for x
    x = 121,187,978,760,560,496/391,522,600.44
  6. Step 6: Final answer
    x = 309,529,969.98

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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.