Home / 336,994,272.30-505,491,408.45-279,551,405.10

Finding the Fourth Proportional to 336,994,272.30, 505,491,408.45 and 279,551,405.10

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Solution

The fourth proportional to 336,994,272.30, 505,491,408.45 and 279,551,405.10 is: 419,327,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,994,272.30 : 505,491,408.45 = 279,551,405.10 : x
  2. Step 2: Convert to fraction form
    336,994,272.30/505,491,408.45 = 279,551,405.10/x
  3. Step 3: Cross multiply
    336,994,272.30x = 505,491,408.45 × 279,551,405.10
  4. Step 4: Simplify right side
    336,994,272.30x = 141,310,833,498,175,520
  5. Step 5: Solve for x
    x = 141,310,833,498,175,520/336,994,272.30
  6. Step 6: Final answer
    x = 419,327,107.65

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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.