Home / 1,142,810,860.43-1,714,504,265.27-324,923,161.43

Finding the Fourth Proportional to 1,142,810,860.43, 1,714,504,265.27 and 324,923,161.43

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Solution

The fourth proportional to 1,142,810,860.43, 1,714,504,265.27 and 324,923,161.43 is: 487,466,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,810,860.43 : 1,714,504,265.27 = 324,923,161.43 : x
  2. Step 2: Convert to fraction form
    1,142,810,860.43/1,714,504,265.27 = 324,923,161.43/x
  3. Step 3: Cross multiply
    1,142,810,860.43x = 1,714,504,265.27 × 324,923,161.43
  4. Step 4: Simplify right side
    1,142,810,860.43x = 557,082,146,157,628,736
  5. Step 5: Solve for x
    x = 557,082,146,157,628,736/1,142,810,860.43
  6. Step 6: Final answer
    x = 487,466,618.88

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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.