Home / 278,221,287.36-419,331,744.16-239,823,195.24

Finding the Fourth Proportional to 278,221,287.36, 419,331,744.16 and 239,823,195.24

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Solution

The fourth proportional to 278,221,287.36, 419,331,744.16 and 239,823,195.24 is: 361,458,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,221,287.36 : 419,331,744.16 = 239,823,195.24 : x
  2. Step 2: Convert to fraction form
    278,221,287.36/419,331,744.16 = 239,823,195.24/x
  3. Step 3: Cross multiply
    278,221,287.36x = 419,331,744.16 × 239,823,195.24
  4. Step 4: Simplify right side
    278,221,287.36x = 100,565,478,750,013,424
  5. Step 5: Solve for x
    x = 100,565,478,750,013,424/278,221,287.36
  6. Step 6: Final answer
    x = 361,458,606.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.