Home / 682,254,615.24-941,511,344.90-368,988,821.64

Finding the Fourth Proportional to 682,254,615.24, 941,511,344.90 and 368,988,821.64

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Solution

The fourth proportional to 682,254,615.24, 941,511,344.90 and 368,988,821.64 is: 509,204,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,254,615.24 : 941,511,344.90 = 368,988,821.64 : x
  2. Step 2: Convert to fraction form
    682,254,615.24/941,511,344.90 = 368,988,821.64/x
  3. Step 3: Cross multiply
    682,254,615.24x = 941,511,344.90 × 368,988,821.64
  4. Step 4: Simplify right side
    682,254,615.24x = 347,407,161,715,342,592
  5. Step 5: Solve for x
    x = 347,407,161,715,342,592/682,254,615.24
  6. Step 6: Final answer
    x = 509,204,560.81

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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.