Home / 682,201,506.25-941,440,915.05-368,935,720.12

Finding the Fourth Proportional to 682,201,506.25, 941,440,915.05 and 368,935,720.12

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Solution

The fourth proportional to 682,201,506.25, 941,440,915.05 and 368,935,720.12 is: 509,132,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,201,506.25 : 941,440,915.05 = 368,935,720.12 : x
  2. Step 2: Convert to fraction form
    682,201,506.25/941,440,915.05 = 368,935,720.12/x
  3. Step 3: Cross multiply
    682,201,506.25x = 941,440,915.05 × 368,935,720.12
  4. Step 4: Simplify right side
    682,201,506.25x = 347,331,181,944,403,456
  5. Step 5: Solve for x
    x = 347,331,181,944,403,456/682,201,506.25
  6. Step 6: Final answer
    x = 509,132,827.71

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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.