Home / 457,467,616.20-631,310,185.62-248,623,769.64

Finding the Fourth Proportional to 457,467,616.20, 631,310,185.62 and 248,623,769.64

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Solution

The fourth proportional to 457,467,616.20, 631,310,185.62 and 248,623,769.64 is: 343,103,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,467,616.20 : 631,310,185.62 = 248,623,769.64 : x
  2. Step 2: Convert to fraction form
    457,467,616.20/631,310,185.62 = 248,623,769.64/x
  3. Step 3: Cross multiply
    457,467,616.20x = 631,310,185.62 × 248,623,769.64
  4. Step 4: Simplify right side
    457,467,616.20x = 156,958,718,160,972,512
  5. Step 5: Solve for x
    x = 156,958,718,160,972,512/457,467,616.20
  6. Step 6: Final answer
    x = 343,103,451.70

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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.