Home / 419,904,570.80-629,856,856.20-333,173,399.60

Finding the Fourth Proportional to 419,904,570.80, 629,856,856.20 and 333,173,399.60

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Solution

The fourth proportional to 419,904,570.80, 629,856,856.20 and 333,173,399.60 is: 499,760,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,570.80 : 629,856,856.20 = 333,173,399.60 : x
  2. Step 2: Convert to fraction form
    419,904,570.80/629,856,856.20 = 333,173,399.60/x
  3. Step 3: Cross multiply
    419,904,570.80x = 629,856,856.20 × 333,173,399.60
  4. Step 4: Simplify right side
    419,904,570.80x = 209,851,550,041,522,368
  5. Step 5: Solve for x
    x = 209,851,550,041,522,368/419,904,570.80
  6. Step 6: Final answer
    x = 499,760,099.40

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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.