Home / 419,941,240.80-629,911,861.20-333,210,069.60

Finding the Fourth Proportional to 419,941,240.80, 629,911,861.20 and 333,210,069.60

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Solution

The fourth proportional to 419,941,240.80, 629,911,861.20 and 333,210,069.60 is: 499,815,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,941,240.80 : 629,911,861.20 = 333,210,069.60 : x
  2. Step 2: Convert to fraction form
    419,941,240.80/629,911,861.20 = 333,210,069.60/x
  3. Step 3: Cross multiply
    419,941,240.80x = 629,911,861.20 × 333,210,069.60
  4. Step 4: Simplify right side
    419,941,240.80x = 209,892,975,112,317,568
  5. Step 5: Solve for x
    x = 209,892,975,112,317,568/419,941,240.80
  6. Step 6: Final answer
    x = 499,815,104.40

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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.