Home / 2,551,813,640-3,521,504,240.16-1,378,391,923.52

Finding the Fourth Proportional to 2,551,813,640, 3,521,504,240.16 and 1,378,391,923.52

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Solution

The fourth proportional to 2,551,813,640, 3,521,504,240.16 and 1,378,391,923.52 is: 1,902,181,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,813,640 : 3,521,504,240.16 = 1,378,391,923.52 : x
  2. Step 2: Convert to fraction form
    2,551,813,640/3,521,504,240.16 = 1,378,391,923.52/x
  3. Step 3: Cross multiply
    2,551,813,640x = 3,521,504,240.16 × 1,378,391,923.52
  4. Step 4: Simplify right side
    2,551,813,640x = 4,854,013,003,277,978,624
  5. Step 5: Solve for x
    x = 4,854,013,003,277,978,624/2,551,813,640
  6. Step 6: Final answer
    x = 1,902,181,619.85

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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.