Home / 319,171,724.17-478,895,843.94-171,446,912.41

Finding the Fourth Proportional to 319,171,724.17, 478,895,843.94 and 171,446,912.41

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Solution

The fourth proportional to 319,171,724.17, 478,895,843.94 and 171,446,912.41 is: 257,244,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171,724.17 : 478,895,843.94 = 171,446,912.41 : x
  2. Step 2: Convert to fraction form
    319,171,724.17/478,895,843.94 = 171,446,912.41/x
  3. Step 3: Cross multiply
    319,171,724.17x = 478,895,843.94 × 171,446,912.41
  4. Step 4: Simplify right side
    319,171,724.17x = 82,105,213,809,494,208
  5. Step 5: Solve for x
    x = 82,105,213,809,494,208/319,171,724.17
  6. Step 6: Final answer
    x = 257,244,635.39

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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.