Home / 13,728,886,015.36-20,593,520,348.84-3,914,233,627.36

Finding the Fourth Proportional to 13,728,886,015.36, 20,593,520,348.84 and 3,914,233,627.36

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Solution

The fourth proportional to 13,728,886,015.36, 20,593,520,348.84 and 3,914,233,627.36 is: 5,871,404,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,886,015.36 : 20,593,520,348.84 = 3,914,233,627.36 : x
  2. Step 2: Convert to fraction form
    13,728,886,015.36/20,593,520,348.84 = 3,914,233,627.36/x
  3. Step 3: Cross multiply
    13,728,886,015.36x = 20,593,520,348.84 × 3,914,233,627.36
  4. Step 4: Simplify right side
    13,728,886,015.36x = 80,607,849,855,151,964,160
  5. Step 5: Solve for x
    x = 80,607,849,855,151,964,160/13,728,886,015.36
  6. Step 6: Final answer
    x = 5,871,404,989.81

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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.