Home / 320,984,046.54-442,950,489-188,833,552.02

Finding the Fourth Proportional to 320,984,046.54, 442,950,489 and 188,833,552.02

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Solution

The fourth proportional to 320,984,046.54, 442,950,489 and 188,833,552.02 is: 260,585,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,984,046.54 : 442,950,489 = 188,833,552.02 : x
  2. Step 2: Convert to fraction form
    320,984,046.54/442,950,489 = 188,833,552.02/x
  3. Step 3: Cross multiply
    320,984,046.54x = 442,950,489 × 188,833,552.02
  4. Step 4: Simplify right side
    320,984,046.54x = 83,643,914,206,865,936
  5. Step 5: Solve for x
    x = 83,643,914,206,865,936/320,984,046.54
  6. Step 6: Final answer
    x = 260,585,892.38

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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.