Home / 396,220,144.86-546,661,183.60-228,895,354.46

Finding the Fourth Proportional to 396,220,144.86, 546,661,183.60 and 228,895,354.46

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Solution

The fourth proportional to 396,220,144.86, 546,661,183.60 and 228,895,354.46 is: 315,804,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,220,144.86 : 546,661,183.60 = 228,895,354.46 : x
  2. Step 2: Convert to fraction form
    396,220,144.86/546,661,183.60 = 228,895,354.46/x
  3. Step 3: Cross multiply
    396,220,144.86x = 546,661,183.60 × 228,895,354.46
  4. Step 4: Simplify right side
    396,220,144.86x = 125,128,205,388,220,208
  5. Step 5: Solve for x
    x = 125,128,205,388,220,208/396,220,144.86
  6. Step 6: Final answer
    x = 315,804,754.03

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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.