Home / 314,928,942.80-472,393,414.20-276,665,190.80

Finding the Fourth Proportional to 314,928,942.80, 472,393,414.20 and 276,665,190.80

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Solution

The fourth proportional to 314,928,942.80, 472,393,414.20 and 276,665,190.80 is: 414,997,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,942.80 : 472,393,414.20 = 276,665,190.80 : x
  2. Step 2: Convert to fraction form
    314,928,942.80/472,393,414.20 = 276,665,190.80/x
  3. Step 3: Cross multiply
    314,928,942.80x = 472,393,414.20 × 276,665,190.80
  4. Step 4: Simplify right side
    314,928,942.80x = 130,694,814,072,306,432
  5. Step 5: Solve for x
    x = 130,694,814,072,306,432/314,928,942.80
  6. Step 6: Final answer
    x = 414,997,786.20

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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.