Home / 39,940,600,738.01-55,118,058,734.72-21,629,800,553.57

Finding the Fourth Proportional to 39,940,600,738.01, 55,118,058,734.72 and 21,629,800,553.57

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Solution

The fourth proportional to 39,940,600,738.01, 55,118,058,734.72 and 21,629,800,553.57 is: 29,849,140,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940,600,738.01 : 55,118,058,734.72 = 21,629,800,553.57 : x
  2. Step 2: Convert to fraction form
    39,940,600,738.01/55,118,058,734.72 = 21,629,800,553.57/x
  3. Step 3: Cross multiply
    39,940,600,738.01x = 55,118,058,734.72 × 21,629,800,553.57
  4. Step 4: Simplify right side
    39,940,600,738.01x = 1,192,192,617,331,566,575,616
  5. Step 5: Solve for x
    x = 1,192,192,617,331,566,575,616/39,940,600,738.01
  6. Step 6: Final answer
    x = 29,849,140,856.74

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1.5x scale

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.