Home / 314,928,608.20-472,392,912.30-269,012,105.80

Finding the Fourth Proportional to 314,928,608.20, 472,392,912.30 and 269,012,105.80

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Solution

The fourth proportional to 314,928,608.20, 472,392,912.30 and 269,012,105.80 is: 403,518,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,608.20 : 472,392,912.30 = 269,012,105.80 : x
  2. Step 2: Convert to fraction form
    314,928,608.20/472,392,912.30 = 269,012,105.80/x
  3. Step 3: Cross multiply
    314,928,608.20x = 472,392,912.30 × 269,012,105.80
  4. Step 4: Simplify right side
    314,928,608.20x = 127,079,412,102,817,728
  5. Step 5: Solve for x
    x = 127,079,412,102,817,728/314,928,608.20
  6. Step 6: Final answer
    x = 403,518,158.70

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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.