Home / 490,846,670.43-677,367,933.80-270,830,107.23

Finding the Fourth Proportional to 490,846,670.43, 677,367,933.80 and 270,830,107.23

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Solution

The fourth proportional to 490,846,670.43, 677,367,933.80 and 270,830,107.23 is: 373,745,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,846,670.43 : 677,367,933.80 = 270,830,107.23 : x
  2. Step 2: Convert to fraction form
    490,846,670.43/677,367,933.80 = 270,830,107.23/x
  3. Step 3: Cross multiply
    490,846,670.43x = 677,367,933.80 × 270,830,107.23
  4. Step 4: Simplify right side
    490,846,670.43x = 183,451,630,143,863,392
  5. Step 5: Solve for x
    x = 183,451,630,143,863,392/490,846,670.43
  6. Step 6: Final answer
    x = 373,745,287.88

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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.