Home / 492,412,853.57-679,545,846.89-269,389,361.49

Finding the Fourth Proportional to 492,412,853.57, 679,545,846.89 and 269,389,361.49

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Solution

The fourth proportional to 492,412,853.57, 679,545,846.89 and 269,389,361.49 is: 371,766,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,412,853.57 : 679,545,846.89 = 269,389,361.49 : x
  2. Step 2: Convert to fraction form
    492,412,853.57/679,545,846.89 = 269,389,361.49/x
  3. Step 3: Cross multiply
    492,412,853.57x = 679,545,846.89 × 269,389,361.49
  4. Step 4: Simplify right side
    492,412,853.57x = 183,062,421,795,531,456
  5. Step 5: Solve for x
    x = 183,062,421,795,531,456/492,412,853.57
  6. Step 6: Final answer
    x = 371,766,131.75

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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.