Home / 419,906,039.60-629,859,059.40-377,579,716.40

Finding the Fourth Proportional to 419,906,039.60, 629,859,059.40 and 377,579,716.40

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Solution

The fourth proportional to 419,906,039.60, 629,859,059.40 and 377,579,716.40 is: 566,369,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,039.60 : 629,859,059.40 = 377,579,716.40 : x
  2. Step 2: Convert to fraction form
    419,906,039.60/629,859,059.40 = 377,579,716.40/x
  3. Step 3: Cross multiply
    419,906,039.60x = 629,859,059.40 × 377,579,716.40
  4. Step 4: Simplify right side
    419,906,039.60x = 237,822,005,020,222,720
  5. Step 5: Solve for x
    x = 237,822,005,020,222,720/419,906,039.60
  6. Step 6: Final answer
    x = 566,369,574.60

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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.