Home / 457,705,833.49-631,629,594.52-248,861,976.13

Finding the Fourth Proportional to 457,705,833.49, 631,629,594.52 and 248,861,976.13

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Solution

The fourth proportional to 457,705,833.49, 631,629,594.52 and 248,861,976.13 is: 343,427,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,705,833.49 : 631,629,594.52 = 248,861,976.13 : x
  2. Step 2: Convert to fraction form
    457,705,833.49/631,629,594.52 = 248,861,976.13/x
  3. Step 3: Cross multiply
    457,705,833.49x = 631,629,594.52 × 248,861,976.13
  4. Step 4: Simplify right side
    457,705,833.49x = 157,188,589,074,437,824
  5. Step 5: Solve for x
    x = 157,188,589,074,437,824/457,705,833.49
  6. Step 6: Final answer
    x = 343,427,104.43

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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.