Home / 314,928,365.70-472,392,548.55-217,993,527.30

Finding the Fourth Proportional to 314,928,365.70, 472,392,548.55 and 217,993,527.30

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Solution

The fourth proportional to 314,928,365.70, 472,392,548.55 and 217,993,527.30 is: 326,990,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,365.70 : 472,392,548.55 = 217,993,527.30 : x
  2. Step 2: Convert to fraction form
    314,928,365.70/472,392,548.55 = 217,993,527.30/x
  3. Step 3: Cross multiply
    314,928,365.70x = 472,392,548.55 × 217,993,527.30
  4. Step 4: Simplify right side
    314,928,365.70x = 102,978,517,928,651,008
  5. Step 5: Solve for x
    x = 102,978,517,928,651,008/314,928,365.70
  6. Step 6: Final answer
    x = 326,990,290.95

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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.