Home / 2,361,603,013.11-3,258,990,702.58-1,289,906,120.16

Finding the Fourth Proportional to 2,361,603,013.11, 3,258,990,702.58 and 1,289,906,120.16

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Solution

The fourth proportional to 2,361,603,013.11, 3,258,990,702.58 and 1,289,906,120.16 is: 1,780,058,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361,603,013.11 : 3,258,990,702.58 = 1,289,906,120.16 : x
  2. Step 2: Convert to fraction form
    2,361,603,013.11/3,258,990,702.58 = 1,289,906,120.16/x
  3. Step 3: Cross multiply
    2,361,603,013.11x = 3,258,990,702.58 × 1,289,906,120.16
  4. Step 4: Simplify right side
    2,361,603,013.11x = 4,203,792,052,802,480,640
  5. Step 5: Solve for x
    x = 4,203,792,052,802,480,640/2,361,603,013.11
  6. Step 6: Final answer
    x = 1,780,058,726.83

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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.