Home / 330,352,712.74-494,451,226.20-242,891,039.80

Finding the Fourth Proportional to 330,352,712.74, 494,451,226.20 and 242,891,039.80

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Solution

The fourth proportional to 330,352,712.74, 494,451,226.20 and 242,891,039.80 is: 363,544,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,352,712.74 : 494,451,226.20 = 242,891,039.80 : x
  2. Step 2: Convert to fraction form
    330,352,712.74/494,451,226.20 = 242,891,039.80/x
  3. Step 3: Cross multiply
    330,352,712.74x = 494,451,226.20 × 242,891,039.80
  4. Step 4: Simplify right side
    330,352,712.74x = 120,097,772,462,103,008
  5. Step 5: Solve for x
    x = 120,097,772,462,103,008/330,352,712.74
  6. Step 6: Final answer
    x = 363,544,078.29

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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.