Home / 396,094,665.44-546,583,208.56-219,868,780.64

Finding the Fourth Proportional to 396,094,665.44, 546,583,208.56 and 219,868,780.64

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Solution

The fourth proportional to 396,094,665.44, 546,583,208.56 and 219,868,780.64 is: 303,403,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,094,665.44 : 546,583,208.56 = 219,868,780.64 : x
  2. Step 2: Convert to fraction form
    396,094,665.44/546,583,208.56 = 219,868,780.64/x
  3. Step 3: Cross multiply
    396,094,665.44x = 546,583,208.56 × 219,868,780.64
  4. Step 4: Simplify right side
    396,094,665.44x = 120,176,583,584,385,984
  5. Step 5: Solve for x
    x = 120,176,583,584,385,984/396,094,665.44
  6. Step 6: Final answer
    x = 303,403,691.26

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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.