Home / 396,175,295.52-546,738,983.12-219,963,299.52

Finding the Fourth Proportional to 396,175,295.52, 546,738,983.12 and 219,963,299.52

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Solution

The fourth proportional to 396,175,295.52, 546,738,983.12 and 219,963,299.52 is: 303,558,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,175,295.52 : 546,738,983.12 = 219,963,299.52 : x
  2. Step 2: Convert to fraction form
    396,175,295.52/546,738,983.12 = 219,963,299.52/x
  3. Step 3: Cross multiply
    396,175,295.52x = 546,738,983.12 × 219,963,299.52
  4. Step 4: Simplify right side
    396,175,295.52x = 120,262,510,703,284,784
  5. Step 5: Solve for x
    x = 120,262,510,703,284,784/396,175,295.52
  6. Step 6: Final answer
    x = 303,558,833.84

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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.