Home / 400,512,522.39-552,568,960.80-251,844,956.75

Finding the Fourth Proportional to 400,512,522.39, 552,568,960.80 and 251,844,956.75

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Solution

The fourth proportional to 400,512,522.39, 552,568,960.80 and 251,844,956.75 is: 347,459,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,512,522.39 : 552,568,960.80 = 251,844,956.75 : x
  2. Step 2: Convert to fraction form
    400,512,522.39/552,568,960.80 = 251,844,956.75/x
  3. Step 3: Cross multiply
    400,512,522.39x = 552,568,960.80 × 251,844,956.75
  4. Step 4: Simplify right side
    400,512,522.39x = 139,161,706,031,305,584
  5. Step 5: Solve for x
    x = 139,161,706,031,305,584/400,512,522.39
  6. Step 6: Final answer
    x = 347,459,063.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.