Home / 1,206,410,168.75-1,809,633,304.17-459,467,192.39

Finding the Fourth Proportional to 1,206,410,168.75, 1,809,633,304.17 and 459,467,192.39

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Solution

The fourth proportional to 1,206,410,168.75, 1,809,633,304.17 and 459,467,192.39 is: 689,207,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,410,168.75 : 1,809,633,304.17 = 459,467,192.39 : x
  2. Step 2: Convert to fraction form
    1,206,410,168.75/1,809,633,304.17 = 459,467,192.39/x
  3. Step 3: Cross multiply
    1,206,410,168.75x = 1,809,633,304.17 × 459,467,192.39
  4. Step 4: Simplify right side
    1,206,410,168.75x = 831,467,133,513,380,608
  5. Step 5: Solve for x
    x = 831,467,133,513,380,608/1,206,410,168.75
  6. Step 6: Final answer
    x = 689,207,663.41

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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.