Home / 314,928,589.20-472,392,883.80-217,993,750.80

Finding the Fourth Proportional to 314,928,589.20, 472,392,883.80 and 217,993,750.80

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Solution

The fourth proportional to 314,928,589.20, 472,392,883.80 and 217,993,750.80 is: 326,990,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,589.20 : 472,392,883.80 = 217,993,750.80 : x
  2. Step 2: Convert to fraction form
    314,928,589.20/472,392,883.80 = 217,993,750.80/x
  3. Step 3: Cross multiply
    314,928,589.20x = 472,392,883.80 × 217,993,750.80
  4. Step 4: Simplify right side
    314,928,589.20x = 102,978,696,590,790,560
  5. Step 5: Solve for x
    x = 102,978,696,590,790,560/314,928,589.20
  6. Step 6: Final answer
    x = 326,990,626.20

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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.