Home / 327,120,487.20-490,263,937.20-173,839,975.20

Finding the Fourth Proportional to 327,120,487.20, 490,263,937.20 and 173,839,975.20

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Solution

The fourth proportional to 327,120,487.20, 490,263,937.20 and 173,839,975.20 is: 260,538,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,120,487.20 : 490,263,937.20 = 173,839,975.20 : x
  2. Step 2: Convert to fraction form
    327,120,487.20/490,263,937.20 = 173,839,975.20/x
  3. Step 3: Cross multiply
    327,120,487.20x = 490,263,937.20 × 173,839,975.20
  4. Step 4: Simplify right side
    327,120,487.20x = 85,227,470,684,302,352
  5. Step 5: Solve for x
    x = 85,227,470,684,302,352/327,120,487.20
  6. Step 6: Final answer
    x = 260,538,468.30

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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.