Home / 327,467,121.40-491,200,682.10-155,280,237.40

Finding the Fourth Proportional to 327,467,121.40, 491,200,682.10 and 155,280,237.40

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Solution

The fourth proportional to 327,467,121.40, 491,200,682.10 and 155,280,237.40 is: 232,920,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,467,121.40 : 491,200,682.10 = 155,280,237.40 : x
  2. Step 2: Convert to fraction form
    327,467,121.40/491,200,682.10 = 155,280,237.40/x
  3. Step 3: Cross multiply
    327,467,121.40x = 491,200,682.10 × 155,280,237.40
  4. Step 4: Simplify right side
    327,467,121.40x = 76,273,758,527,529,936
  5. Step 5: Solve for x
    x = 76,273,758,527,529,936/327,467,121.40
  6. Step 6: Final answer
    x = 232,920,356.10

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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.