Home / 396,175,287.49-546,738,972.05-219,963,291.50

Finding the Fourth Proportional to 396,175,287.49, 546,738,972.05 and 219,963,291.50

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Solution

The fourth proportional to 396,175,287.49, 546,738,972.05 and 219,963,291.50 is: 303,558,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,175,287.49 : 546,738,972.05 = 219,963,291.50 : x
  2. Step 2: Convert to fraction form
    396,175,287.49/546,738,972.05 = 219,963,291.50/x
  3. Step 3: Cross multiply
    396,175,287.49x = 546,738,972.05 × 219,963,291.50
  4. Step 4: Simplify right side
    396,175,287.49x = 120,262,503,886,131,088
  5. Step 5: Solve for x
    x = 120,262,503,886,131,088/396,175,287.49
  6. Step 6: Final answer
    x = 303,558,822.78

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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.