Home / 1,436,334,516.72-2,151,383,834.79-881,954,161.20

Finding the Fourth Proportional to 1,436,334,516.72, 2,151,383,834.79 and 881,954,161.20

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Solution

The fourth proportional to 1,436,334,516.72, 2,151,383,834.79 and 881,954,161.20 is: 1,321,016,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,334,516.72 : 2,151,383,834.79 = 881,954,161.20 : x
  2. Step 2: Convert to fraction form
    1,436,334,516.72/2,151,383,834.79 = 881,954,161.20/x
  3. Step 3: Cross multiply
    1,436,334,516.72x = 2,151,383,834.79 × 881,954,161.20
  4. Step 4: Simplify right side
    1,436,334,516.72x = 1,897,421,925,431,453,952
  5. Step 5: Solve for x
    x = 1,897,421,925,431,453,952/1,436,334,516.72
  6. Step 6: Final answer
    x = 1,321,016,729.28

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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.