Home / 404,533,375.53-606,820,964.22-128,213,949.09

Finding the Fourth Proportional to 404,533,375.53, 606,820,964.22 and 128,213,949.09

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Solution

The fourth proportional to 404,533,375.53, 606,820,964.22 and 128,213,949.09 is: 192,327,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,533,375.53 : 606,820,964.22 = 128,213,949.09 : x
  2. Step 2: Convert to fraction form
    404,533,375.53/606,820,964.22 = 128,213,949.09/x
  3. Step 3: Cross multiply
    404,533,375.53x = 606,820,964.22 × 128,213,949.09
  4. Step 4: Simplify right side
    404,533,375.53x = 77,802,912,213,247,792
  5. Step 5: Solve for x
    x = 77,802,912,213,247,792/404,533,375.53
  6. Step 6: Final answer
    x = 192,327,548.03

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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.