Home / 352,707,013.22-486,017,860.22-272,836,851.02

Finding the Fourth Proportional to 352,707,013.22, 486,017,860.22 and 272,836,851.02

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Solution

The fourth proportional to 352,707,013.22, 486,017,860.22 and 272,836,851.02 is: 375,959,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,707,013.22 : 486,017,860.22 = 272,836,851.02 : x
  2. Step 2: Convert to fraction form
    352,707,013.22/486,017,860.22 = 272,836,851.02/x
  3. Step 3: Cross multiply
    352,707,013.22x = 486,017,860.22 × 272,836,851.02
  4. Step 4: Simplify right side
    352,707,013.22x = 132,603,582,521,903,328
  5. Step 5: Solve for x
    x = 132,603,582,521,903,328/352,707,013.22
  6. Step 6: Final answer
    x = 375,959,585.58

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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.