Home / 300,393,791.94-449,783,397.81-190,624,653.39

Finding the Fourth Proportional to 300,393,791.94, 449,783,397.81 and 190,624,653.39

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Solution

The fourth proportional to 300,393,791.94, 449,783,397.81 and 190,624,653.39 is: 285,424,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,393,791.94 : 449,783,397.81 = 190,624,653.39 : x
  2. Step 2: Convert to fraction form
    300,393,791.94/449,783,397.81 = 190,624,653.39/x
  3. Step 3: Cross multiply
    300,393,791.94x = 449,783,397.81 × 190,624,653.39
  4. Step 4: Simplify right side
    300,393,791.94x = 85,739,804,308,107,728
  5. Step 5: Solve for x
    x = 85,739,804,308,107,728/300,393,791.94
  6. Step 6: Final answer
    x = 285,424,687.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.