Home / 1,418,077,960.92-1,957,274,103.42-831,556,053.72

Finding the Fourth Proportional to 1,418,077,960.92, 1,957,274,103.42 and 831,556,053.72

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Solution

The fourth proportional to 1,418,077,960.92, 1,957,274,103.42 and 831,556,053.72 is: 1,147,738,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,077,960.92 : 1,957,274,103.42 = 831,556,053.72 : x
  2. Step 2: Convert to fraction form
    1,418,077,960.92/1,957,274,103.42 = 831,556,053.72/x
  3. Step 3: Cross multiply
    1,418,077,960.92x = 1,957,274,103.42 × 831,556,053.72
  4. Step 4: Simplify right side
    1,418,077,960.92x = 1,627,583,129,488,286,464
  5. Step 5: Solve for x
    x = 1,627,583,129,488,286,464/1,418,077,960.92
  6. Step 6: Final answer
    x = 1,147,738,822.79

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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.