Home / 492,257,330.56-679,287,640.38-269,194,994.56

Finding the Fourth Proportional to 492,257,330.56, 679,287,640.38 and 269,194,994.56

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Solution

The fourth proportional to 492,257,330.56, 679,287,640.38 and 269,194,994.56 is: 371,474,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,257,330.56 : 679,287,640.38 = 269,194,994.56 : x
  2. Step 2: Convert to fraction form
    492,257,330.56/679,287,640.38 = 269,194,994.56/x
  3. Step 3: Cross multiply
    492,257,330.56x = 679,287,640.38 × 269,194,994.56
  4. Step 4: Simplify right side
    492,257,330.56x = 182,860,832,653,372,896
  5. Step 5: Solve for x
    x = 182,860,832,653,372,896/492,257,330.56
  6. Step 6: Final answer
    x = 371,474,067.13

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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.