Home / 3,782,985,827.82-5,220,843,135.17-2,112,557,677.26

Finding the Fourth Proportional to 3,782,985,827.82, 5,220,843,135.17 and 2,112,557,677.26

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Solution

The fourth proportional to 3,782,985,827.82, 5,220,843,135.17 and 2,112,557,677.26 is: 2,915,509,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,985,827.82 : 5,220,843,135.17 = 2,112,557,677.26 : x
  2. Step 2: Convert to fraction form
    3,782,985,827.82/5,220,843,135.17 = 2,112,557,677.26/x
  3. Step 3: Cross multiply
    3,782,985,827.82x = 5,220,843,135.17 × 2,112,557,677.26
  4. Step 4: Simplify right side
    3,782,985,827.82x = 11,029,332,246,962,989,056
  5. Step 5: Solve for x
    x = 11,029,332,246,962,989,056/3,782,985,827.82
  6. Step 6: Final answer
    x = 2,915,509,798.07

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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.