Home / 457,705,832.49-631,629,593.15-248,861,975.13

Finding the Fourth Proportional to 457,705,832.49, 631,629,593.15 and 248,861,975.13

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Solution

The fourth proportional to 457,705,832.49, 631,629,593.15 and 248,861,975.13 is: 343,427,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,705,832.49 : 631,629,593.15 = 248,861,975.13 : x
  2. Step 2: Convert to fraction form
    457,705,832.49/631,629,593.15 = 248,861,975.13/x
  3. Step 3: Cross multiply
    457,705,832.49x = 631,629,593.15 × 248,861,975.13
  4. Step 4: Simplify right side
    457,705,832.49x = 157,188,588,100,623,008
  5. Step 5: Solve for x
    x = 157,188,588,100,623,008/457,705,832.49
  6. Step 6: Final answer
    x = 343,427,103.05

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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.