Home / 419,906,028.60-629,859,042.90-377,579,705.40

Finding the Fourth Proportional to 419,906,028.60, 629,859,042.90 and 377,579,705.40

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Solution

The fourth proportional to 419,906,028.60, 629,859,042.90 and 377,579,705.40 is: 566,369,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,028.60 : 629,859,042.90 = 377,579,705.40 : x
  2. Step 2: Convert to fraction form
    419,906,028.60/629,859,042.90 = 377,579,705.40/x
  3. Step 3: Cross multiply
    419,906,028.60x = 629,859,042.90 × 377,579,705.40
  4. Step 4: Simplify right side
    419,906,028.60x = 237,821,991,861,707,936
  5. Step 5: Solve for x
    x = 237,821,991,861,707,936/419,906,028.60
  6. Step 6: Final answer
    x = 566,369,558.10

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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.