Home / 1,400,907,481.92-1,933,256,221.44-765,835,647.72

Finding the Fourth Proportional to 1,400,907,481.92, 1,933,256,221.44 and 765,835,647.72

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Solution

The fourth proportional to 1,400,907,481.92, 1,933,256,221.44 and 765,835,647.72 is: 1,056,855,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,907,481.92 : 1,933,256,221.44 = 765,835,647.72 : x
  2. Step 2: Convert to fraction form
    1,400,907,481.92/1,933,256,221.44 = 765,835,647.72/x
  3. Step 3: Cross multiply
    1,400,907,481.92x = 1,933,256,221.44 × 765,835,647.72
  4. Step 4: Simplify right side
    1,400,907,481.92x = 1,480,556,530,555,222,272
  5. Step 5: Solve for x
    x = 1,480,556,530,555,222,272/1,400,907,481.92
  6. Step 6: Final answer
    x = 1,056,855,323.90

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Double scale
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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.