Home / 481,206,781.80-721,810,172.70-174,508,900.20

Finding the Fourth Proportional to 481,206,781.80, 721,810,172.70 and 174,508,900.20

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Solution

The fourth proportional to 481,206,781.80, 721,810,172.70 and 174,508,900.20 is: 261,763,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,206,781.80 : 721,810,172.70 = 174,508,900.20 : x
  2. Step 2: Convert to fraction form
    481,206,781.80/721,810,172.70 = 174,508,900.20/x
  3. Step 3: Cross multiply
    481,206,781.80x = 721,810,172.70 × 174,508,900.20
  4. Step 4: Simplify right side
    481,206,781.80x = 125,962,299,391,049,072
  5. Step 5: Solve for x
    x = 125,962,299,391,049,072/481,206,781.80
  6. Step 6: Final answer
    x = 261,763,350.30

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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.