Home / 396,395,076.89-546,901,794.03-229,070,379.89

Finding the Fourth Proportional to 396,395,076.89, 546,901,794.03 and 229,070,379.89

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Solution

The fourth proportional to 396,395,076.89, 546,901,794.03 and 229,070,379.89 is: 316,045,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,395,076.89 : 546,901,794.03 = 229,070,379.89 : x
  2. Step 2: Convert to fraction form
    396,395,076.89/546,901,794.03 = 229,070,379.89/x
  3. Step 3: Cross multiply
    396,395,076.89x = 546,901,794.03 × 229,070,379.89
  4. Step 4: Simplify right side
    396,395,076.89x = 125,279,001,723,200,928
  5. Step 5: Solve for x
    x = 125,279,001,723,200,928/396,395,076.89
  6. Step 6: Final answer
    x = 316,045,806.38

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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.