Home / 314,928,286.20-472,392,429.30-217,993,447.80

Finding the Fourth Proportional to 314,928,286.20, 472,392,429.30 and 217,993,447.80

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Solution

The fourth proportional to 314,928,286.20, 472,392,429.30 and 217,993,447.80 is: 326,990,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,286.20 : 472,392,429.30 = 217,993,447.80 : x
  2. Step 2: Convert to fraction form
    314,928,286.20/472,392,429.30 = 217,993,447.80/x
  3. Step 3: Cross multiply
    314,928,286.20x = 472,392,429.30 × 217,993,447.80
  4. Step 4: Simplify right side
    314,928,286.20x = 102,978,454,377,724,752
  5. Step 5: Solve for x
    x = 102,978,454,377,724,752/314,928,286.20
  6. Step 6: Final answer
    x = 326,990,171.70

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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.