Home / 396,228,916.39-546,846,349.95-239,597,144.32

Finding the Fourth Proportional to 396,228,916.39, 546,846,349.95 and 239,597,144.32

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Solution

The fourth proportional to 396,228,916.39, 546,846,349.95 and 239,597,144.32 is: 330,674,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,228,916.39 : 546,846,349.95 = 239,597,144.32 : x
  2. Step 2: Convert to fraction form
    396,228,916.39/546,846,349.95 = 239,597,144.32/x
  3. Step 3: Cross multiply
    396,228,916.39x = 546,846,349.95 × 239,597,144.32
  4. Step 4: Simplify right side
    396,228,916.39x = 131,022,823,829,835,376
  5. Step 5: Solve for x
    x = 131,022,823,829,835,376/396,228,916.39
  6. Step 6: Final answer
    x = 330,674,563.14

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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.