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Finding the Fourth Proportional to 299,383,313.70, 449,074,970.55 and 169,940,907.30

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Solution

The fourth proportional to 299,383,313.70, 449,074,970.55 and 169,940,907.30 is: 254,911,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,313.70 : 449,074,970.55 = 169,940,907.30 : x
  2. Step 2: Convert to fraction form
    299,383,313.70/449,074,970.55 = 169,940,907.30/x
  3. Step 3: Cross multiply
    299,383,313.70x = 449,074,970.55 × 169,940,907.30
  4. Step 4: Simplify right side
    299,383,313.70x = 76,316,207,940,987,792
  5. Step 5: Solve for x
    x = 76,316,207,940,987,792/299,383,313.70
  6. Step 6: Final answer
    x = 254,911,360.95

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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.