Home / 396,495,532.35-547,131,756.09-229,242,524.45

Finding the Fourth Proportional to 396,495,532.35, 547,131,756.09 and 229,242,524.45

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Solution

The fourth proportional to 396,495,532.35, 547,131,756.09 and 229,242,524.45 is: 316,336,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,495,532.35 : 547,131,756.09 = 229,242,524.45 : x
  2. Step 2: Convert to fraction form
    396,495,532.35/547,131,756.09 = 229,242,524.45/x
  3. Step 3: Cross multiply
    396,495,532.35x = 547,131,756.09 × 229,242,524.45
  4. Step 4: Simplify right side
    396,495,532.35x = 125,425,864,968,951,392
  5. Step 5: Solve for x
    x = 125,425,864,968,951,392/396,495,532.35
  6. Step 6: Final answer
    x = 316,336,136.82

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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.