Home / 348,175,422.19-481,171,469.19-285,352,432.21

Finding the Fourth Proportional to 348,175,422.19, 481,171,469.19 and 285,352,432.21

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Solution

The fourth proportional to 348,175,422.19, 481,171,469.19 and 285,352,432.21 is: 394,351,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,175,422.19 : 481,171,469.19 = 285,352,432.21 : x
  2. Step 2: Convert to fraction form
    348,175,422.19/481,171,469.19 = 285,352,432.21/x
  3. Step 3: Cross multiply
    348,175,422.19x = 481,171,469.19 × 285,352,432.21
  4. Step 4: Simplify right side
    348,175,422.19x = 137,303,449,042,222,640
  5. Step 5: Solve for x
    x = 137,303,449,042,222,640/348,175,422.19
  6. Step 6: Final answer
    x = 394,351,353.64

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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.