Home / 2,987,419,749.05-4,481,068,087.53-995,606,454.78

Finding the Fourth Proportional to 2,987,419,749.05, 4,481,068,087.53 and 995,606,454.78

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Solution

The fourth proportional to 2,987,419,749.05, 4,481,068,087.53 and 995,606,454.78 is: 1,493,389,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,419,749.05 : 4,481,068,087.53 = 995,606,454.78 : x
  2. Step 2: Convert to fraction form
    2,987,419,749.05/4,481,068,087.53 = 995,606,454.78/x
  3. Step 3: Cross multiply
    2,987,419,749.05x = 4,481,068,087.53 × 995,606,454.78
  4. Step 4: Simplify right side
    2,987,419,749.05x = 4,461,380,312,253,537,792
  5. Step 5: Solve for x
    x = 4,461,380,312,253,537,792/2,987,419,749.05
  6. Step 6: Final answer
    x = 1,493,389,174.28

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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.