Home / 1,214,497,739.52-1,821,858,600.96-396,614,327.04

Finding the Fourth Proportional to 1,214,497,739.52, 1,821,858,600.96 and 396,614,327.04

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Solution

The fourth proportional to 1,214,497,739.52, 1,821,858,600.96 and 396,614,327.04 is: 594,958,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,497,739.52 : 1,821,858,600.96 = 396,614,327.04 : x
  2. Step 2: Convert to fraction form
    1,214,497,739.52/1,821,858,600.96 = 396,614,327.04/x
  3. Step 3: Cross multiply
    1,214,497,739.52x = 1,821,858,600.96 × 396,614,327.04
  4. Step 4: Simplify right side
    1,214,497,739.52x = 722,575,222,981,786,368
  5. Step 5: Solve for x
    x = 722,575,222,981,786,368/1,214,497,739.52
  6. Step 6: Final answer
    x = 594,958,063.30

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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.