Home / 419,906,039.40-629,859,059.10-317,869,367.40

Finding the Fourth Proportional to 419,906,039.40, 629,859,059.10 and 317,869,367.40

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Solution

The fourth proportional to 419,906,039.40, 629,859,059.10 and 317,869,367.40 is: 476,804,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,039.40 : 629,859,059.10 = 317,869,367.40 : x
  2. Step 2: Convert to fraction form
    419,906,039.40/629,859,059.10 = 317,869,367.40/x
  3. Step 3: Cross multiply
    419,906,039.40x = 629,859,059.10 × 317,869,367.40
  4. Step 4: Simplify right side
    419,906,039.40x = 200,212,900,667,276,192
  5. Step 5: Solve for x
    x = 200,212,900,667,276,192/419,906,039.40
  6. Step 6: Final answer
    x = 476,804,051.10

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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.