Home / 396,622,348.78-546,761,979.79-277,174,087.29

Finding the Fourth Proportional to 396,622,348.78, 546,761,979.79 and 277,174,087.29

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Solution

The fourth proportional to 396,622,348.78, 546,761,979.79 and 277,174,087.29 is: 382,097,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,622,348.78 : 546,761,979.79 = 277,174,087.29 : x
  2. Step 2: Convert to fraction form
    396,622,348.78/546,761,979.79 = 277,174,087.29/x
  3. Step 3: Cross multiply
    396,622,348.78x = 546,761,979.79 × 277,174,087.29
  4. Step 4: Simplify right side
    396,622,348.78x = 151,548,252,711,280,640
  5. Step 5: Solve for x
    x = 151,548,252,711,280,640/396,622,348.78
  6. Step 6: Final answer
    x = 382,097,108.69

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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.