Home / 396,228,911.40-546,846,343.04-239,597,139.32

Finding the Fourth Proportional to 396,228,911.40, 546,846,343.04 and 239,597,139.32

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Solution

The fourth proportional to 396,228,911.40, 546,846,343.04 and 239,597,139.32 is: 330,674,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,228,911.40 : 546,846,343.04 = 239,597,139.32 : x
  2. Step 2: Convert to fraction form
    396,228,911.40/546,846,343.04 = 239,597,139.32/x
  3. Step 3: Cross multiply
    396,228,911.40x = 546,846,343.04 × 239,597,139.32
  4. Step 4: Simplify right side
    396,228,911.40x = 131,022,819,439,987,376
  5. Step 5: Solve for x
    x = 131,022,819,439,987,376/396,228,911.40
  6. Step 6: Final answer
    x = 330,674,556.22

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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.