Home / 412,378,074,355.20-569,131,283,992.86-249,792,949,791.42

Finding the Fourth Proportional to 412,378,074,355.20, 569,131,283,992.86 and 249,792,949,791.42

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Solution

The fourth proportional to 412,378,074,355.20, 569,131,283,992.86 and 249,792,949,791.42 is: 344,744,279,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,378,074,355.20 : 569,131,283,992.86 = 249,792,949,791.42 : x
  2. Step 2: Convert to fraction form
    412,378,074,355.20/569,131,283,992.86 = 249,792,949,791.42/x
  3. Step 3: Cross multiply
    412,378,074,355.20x = 569,131,283,992.86 × 249,792,949,791.42
  4. Step 4: Simplify right side
    412,378,074,355.20x = 142,164,982,247,154,878,775,296
  5. Step 5: Solve for x
    x = 142,164,982,247,154,878,775,296/412,378,074,355.20
  6. Step 6: Final answer
    x = 344,744,279,795.78

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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.