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Finding the Fourth Proportional to 299,551,634.80, 449,327,452.20 and 265,539,410.80

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Solution

The fourth proportional to 299,551,634.80, 449,327,452.20 and 265,539,410.80 is: 398,309,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,551,634.80 : 449,327,452.20 = 265,539,410.80 : x
  2. Step 2: Convert to fraction form
    299,551,634.80/449,327,452.20 = 265,539,410.80/x
  3. Step 3: Cross multiply
    299,551,634.80x = 449,327,452.20 × 265,539,410.80
  4. Step 4: Simplify right side
    299,551,634.80x = 119,314,146,913,453,168
  5. Step 5: Solve for x
    x = 119,314,146,913,453,168/299,551,634.80
  6. Step 6: Final answer
    x = 398,309,116.20

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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.