Home / 505,504,920.30-758,257,380.45-449,069,822.70

Finding the Fourth Proportional to 505,504,920.30, 758,257,380.45 and 449,069,822.70

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Solution

The fourth proportional to 505,504,920.30, 758,257,380.45 and 449,069,822.70 is: 673,604,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,504,920.30 : 758,257,380.45 = 449,069,822.70 : x
  2. Step 2: Convert to fraction form
    505,504,920.30/758,257,380.45 = 449,069,822.70/x
  3. Step 3: Cross multiply
    505,504,920.30x = 758,257,380.45 × 449,069,822.70
  4. Step 4: Simplify right side
    505,504,920.30x = 340,510,507,399,647,936
  5. Step 5: Solve for x
    x = 340,510,507,399,647,936/505,504,920.30
  6. Step 6: Final answer
    x = 673,604,734.05

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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.