Home / 682,206,961.70-941,448,426.62-368,941,169.18

Finding the Fourth Proportional to 682,206,961.70, 941,448,426.62 and 368,941,169.18

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Solution

The fourth proportional to 682,206,961.70, 941,448,426.62 and 368,941,169.18 is: 509,140,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,206,961.70 : 941,448,426.62 = 368,941,169.18 : x
  2. Step 2: Convert to fraction form
    682,206,961.70/941,448,426.62 = 368,941,169.18/x
  3. Step 3: Cross multiply
    682,206,961.70x = 941,448,426.62 × 368,941,169.18
  4. Step 4: Simplify right side
    682,206,961.70x = 347,339,083,240,363,136
  5. Step 5: Solve for x
    x = 347,339,083,240,363,136/682,206,961.70
  6. Step 6: Final answer
    x = 509,140,338.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.