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Finding the Fourth Proportional to 655,055,058.30, 982,922,649.30 and 267,162,465.66

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Solution

The fourth proportional to 655,055,058.30, 982,922,649.30 and 267,162,465.66 is: 400,882,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,055,058.30 : 982,922,649.30 = 267,162,465.66 : x
  2. Step 2: Convert to fraction form
    655,055,058.30/982,922,649.30 = 267,162,465.66/x
  3. Step 3: Cross multiply
    655,055,058.30x = 982,922,649.30 × 267,162,465.66
  4. Step 4: Simplify right side
    655,055,058.30x = 262,600,038,540,047,456
  5. Step 5: Solve for x
    x = 262,600,038,540,047,456/655,055,058.30
  6. Step 6: Final answer
    x = 400,882,391.81

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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.