Home / 878,083,549.24-1,317,202,744.16-247,821,221.43

Finding the Fourth Proportional to 878,083,549.24, 1,317,202,744.16 and 247,821,221.43

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Solution

The fourth proportional to 878,083,549.24, 1,317,202,744.16 and 247,821,221.43 is: 371,753,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,083,549.24 : 1,317,202,744.16 = 247,821,221.43 : x
  2. Step 2: Convert to fraction form
    878,083,549.24/1,317,202,744.16 = 247,821,221.43/x
  3. Step 3: Cross multiply
    878,083,549.24x = 1,317,202,744.16 × 247,821,221.43
  4. Step 4: Simplify right side
    878,083,549.24x = 326,430,792,922,092,992
  5. Step 5: Solve for x
    x = 326,430,792,922,092,992/878,083,549.24
  6. Step 6: Final answer
    x = 371,753,682.44

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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.