Home / 481,253,316.24-721,794,642.48-218,876,410.56

Finding the Fourth Proportional to 481,253,316.24, 721,794,642.48 and 218,876,410.56

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Solution

The fourth proportional to 481,253,316.24, 721,794,642.48 and 218,876,410.56 is: 328,275,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,253,316.24 : 721,794,642.48 = 218,876,410.56 : x
  2. Step 2: Convert to fraction form
    481,253,316.24/721,794,642.48 = 218,876,410.56/x
  3. Step 3: Cross multiply
    481,253,316.24x = 721,794,642.48 × 218,876,410.56
  4. Step 4: Simplify right side
    481,253,316.24x = 157,983,820,507,460,896
  5. Step 5: Solve for x
    x = 157,983,820,507,460,896/481,253,316.24
  6. Step 6: Final answer
    x = 328,275,806.48

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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.