Home / 304,128,001.20-456,192,001.80-293,378,458.80

Finding the Fourth Proportional to 304,128,001.20, 456,192,001.80 and 293,378,458.80

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Solution

The fourth proportional to 304,128,001.20, 456,192,001.80 and 293,378,458.80 is: 440,067,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128,001.20 : 456,192,001.80 = 293,378,458.80 : x
  2. Step 2: Convert to fraction form
    304,128,001.20/456,192,001.80 = 293,378,458.80/x
  3. Step 3: Cross multiply
    304,128,001.20x = 456,192,001.80 × 293,378,458.80
  4. Step 4: Simplify right side
    304,128,001.20x = 133,836,906,404,970,832
  5. Step 5: Solve for x
    x = 133,836,906,404,970,832/304,128,001.20
  6. Step 6: Final answer
    x = 440,067,688.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.