Home / 324,556,449.60-485,670,963.54-280,987,074.48

Finding the Fourth Proportional to 324,556,449.60, 485,670,963.54 and 280,987,074.48

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Solution

The fourth proportional to 324,556,449.60, 485,670,963.54 and 280,987,074.48 is: 420,473,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,556,449.60 : 485,670,963.54 = 280,987,074.48 : x
  2. Step 2: Convert to fraction form
    324,556,449.60/485,670,963.54 = 280,987,074.48/x
  3. Step 3: Cross multiply
    324,556,449.60x = 485,670,963.54 × 280,987,074.48
  4. Step 4: Simplify right side
    324,556,449.60x = 136,467,263,204,987,360
  5. Step 5: Solve for x
    x = 136,467,263,204,987,360/324,556,449.60
  6. Step 6: Final answer
    x = 420,473,120.69

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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.