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Finding the Fourth Proportional to 299,382,839.20, 449,139,577.20 and 170,052,407.20

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Solution

The fourth proportional to 299,382,839.20, 449,139,577.20 and 170,052,407.20 is: 255,115,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,839.20 : 449,139,577.20 = 170,052,407.20 : x
  2. Step 2: Convert to fraction form
    299,382,839.20/449,139,577.20 = 170,052,407.20/x
  3. Step 3: Cross multiply
    299,382,839.20x = 449,139,577.20 × 170,052,407.20
  4. Step 4: Simplify right side
    299,382,839.20x = 76,377,266,271,650,224
  5. Step 5: Solve for x
    x = 76,377,266,271,650,224/299,382,839.20
  6. Step 6: Final answer
    x = 255,115,712.30

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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.