Home / 419,904,815.60-629,857,223.40-351,880,367.60

Finding the Fourth Proportional to 419,904,815.60, 629,857,223.40 and 351,880,367.60

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Solution

The fourth proportional to 419,904,815.60, 629,857,223.40 and 351,880,367.60 is: 527,820,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,815.60 : 629,857,223.40 = 351,880,367.60 : x
  2. Step 2: Convert to fraction form
    419,904,815.60/629,857,223.40 = 351,880,367.60/x
  3. Step 3: Cross multiply
    419,904,815.60x = 629,857,223.40 × 351,880,367.60
  4. Step 4: Simplify right side
    419,904,815.60x = 221,634,391,305,507,328
  5. Step 5: Solve for x
    x = 221,634,391,305,507,328/419,904,815.60
  6. Step 6: Final answer
    x = 527,820,551.40

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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.