Home / 300,393,792.94-449,783,399.31-190,624,654.39

Finding the Fourth Proportional to 300,393,792.94, 449,783,399.31 and 190,624,654.39

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Solution

The fourth proportional to 300,393,792.94, 449,783,399.31 and 190,624,654.39 is: 285,424,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,393,792.94 : 449,783,399.31 = 190,624,654.39 : x
  2. Step 2: Convert to fraction form
    300,393,792.94/449,783,399.31 = 190,624,654.39/x
  3. Step 3: Cross multiply
    300,393,792.94x = 449,783,399.31 × 190,624,654.39
  4. Step 4: Simplify right side
    300,393,792.94x = 85,739,805,043,828,112
  5. Step 5: Solve for x
    x = 85,739,805,043,828,112/300,393,792.94
  6. Step 6: Final answer
    x = 285,424,689.39

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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.