Home / 419,645,448.80-629,468,173.20-351,621,000.80

Finding the Fourth Proportional to 419,645,448.80, 629,468,173.20 and 351,621,000.80

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Solution

The fourth proportional to 419,645,448.80, 629,468,173.20 and 351,621,000.80 is: 527,431,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,645,448.80 : 629,468,173.20 = 351,621,000.80 : x
  2. Step 2: Convert to fraction form
    419,645,448.80/629,468,173.20 = 351,621,000.80/x
  3. Step 3: Cross multiply
    419,645,448.80x = 629,468,173.20 × 351,621,000.80
  4. Step 4: Simplify right side
    419,645,448.80x = 221,334,229,032,331,776
  5. Step 5: Solve for x
    x = 221,334,229,032,331,776/419,645,448.80
  6. Step 6: Final answer
    x = 527,431,501.20

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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.