Home / 654,220,577.28-981,339,413.44-217,521,261.44

Finding the Fourth Proportional to 654,220,577.28, 981,339,413.44 and 217,521,261.44

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Solution

The fourth proportional to 654,220,577.28, 981,339,413.44 and 217,521,261.44 is: 326,284,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,220,577.28 : 981,339,413.44 = 217,521,261.44 : x
  2. Step 2: Convert to fraction form
    654,220,577.28/981,339,413.44 = 217,521,261.44/x
  3. Step 3: Cross multiply
    654,220,577.28x = 981,339,413.44 × 217,521,261.44
  4. Step 4: Simplify right side
    654,220,577.28x = 213,462,187,112,258,496
  5. Step 5: Solve for x
    x = 213,462,187,112,258,496/654,220,577.28
  6. Step 6: Final answer
    x = 326,284,734.12

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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.