Home / 1,229,603,819.76-1,844,404,284.09-400,556,105.79

Finding the Fourth Proportional to 1,229,603,819.76, 1,844,404,284.09 and 400,556,105.79

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Solution

The fourth proportional to 1,229,603,819.76, 1,844,404,284.09 and 400,556,105.79 is: 600,833,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,603,819.76 : 1,844,404,284.09 = 400,556,105.79 : x
  2. Step 2: Convert to fraction form
    1,229,603,819.76/1,844,404,284.09 = 400,556,105.79/x
  3. Step 3: Cross multiply
    1,229,603,819.76x = 1,844,404,284.09 × 400,556,105.79
  4. Step 4: Simplify right side
    1,229,603,819.76x = 738,787,397,537,483,264
  5. Step 5: Solve for x
    x = 738,787,397,537,483,264/1,229,603,819.76
  6. Step 6: Final answer
    x = 600,833,687.78

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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.