Home / 299,383,314.70-449,074,972.05-169,940,908.30

Finding the Fourth Proportional to 299,383,314.70, 449,074,972.05 and 169,940,908.30

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Solution

The fourth proportional to 299,383,314.70, 449,074,972.05 and 169,940,908.30 is: 254,911,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,314.70 : 449,074,972.05 = 169,940,908.30 : x
  2. Step 2: Convert to fraction form
    299,383,314.70/449,074,972.05 = 169,940,908.30/x
  3. Step 3: Cross multiply
    299,383,314.70x = 449,074,972.05 × 169,940,908.30
  4. Step 4: Simplify right side
    299,383,314.70x = 76,316,208,644,974,128
  5. Step 5: Solve for x
    x = 76,316,208,644,974,128/299,383,314.70
  6. Step 6: Final answer
    x = 254,911,362.45

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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.