Home / 738,792,208.80-1,108,188,313.20-193,588,855.20

Finding the Fourth Proportional to 738,792,208.80, 1,108,188,313.20 and 193,588,855.20

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Solution

The fourth proportional to 738,792,208.80, 1,108,188,313.20 and 193,588,855.20 is: 290,383,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,792,208.80 : 1,108,188,313.20 = 193,588,855.20 : x
  2. Step 2: Convert to fraction form
    738,792,208.80/1,108,188,313.20 = 193,588,855.20/x
  3. Step 3: Cross multiply
    738,792,208.80x = 1,108,188,313.20 × 193,588,855.20
  4. Step 4: Simplify right side
    738,792,208.80x = 214,532,906,898,407,040
  5. Step 5: Solve for x
    x = 214,532,906,898,407,040/738,792,208.80
  6. Step 6: Final answer
    x = 290,383,282.80

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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.