Home / 2,629,919,647.91-3,629,159,654.91-1,440,493,906.25

Finding the Fourth Proportional to 2,629,919,647.91, 3,629,159,654.91 and 1,440,493,906.25

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Solution

The fourth proportional to 2,629,919,647.91, 3,629,159,654.91 and 1,440,493,906.25 is: 1,987,810,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,919,647.91 : 3,629,159,654.91 = 1,440,493,906.25 : x
  2. Step 2: Convert to fraction form
    2,629,919,647.91/3,629,159,654.91 = 1,440,493,906.25/x
  3. Step 3: Cross multiply
    2,629,919,647.91x = 3,629,159,654.91 × 1,440,493,906.25
  4. Step 4: Simplify right side
    2,629,919,647.91x = 5,227,782,367,706,207,232
  5. Step 5: Solve for x
    x = 5,227,782,367,706,207,232/2,629,919,647.91
  6. Step 6: Final answer
    x = 1,987,810,681.54

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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.