Home / 627,489,676.97-941,349,435.67-258,823,517.69

Finding the Fourth Proportional to 627,489,676.97, 941,349,435.67 and 258,823,517.69

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Solution

The fourth proportional to 627,489,676.97, 941,349,435.67 and 258,823,517.69 is: 388,282,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,489,676.97 : 941,349,435.67 = 258,823,517.69 : x
  2. Step 2: Convert to fraction form
    627,489,676.97/941,349,435.67 = 258,823,517.69/x
  3. Step 3: Cross multiply
    627,489,676.97x = 941,349,435.67 × 258,823,517.69
  4. Step 4: Simplify right side
    627,489,676.97x = 243,643,372,319,928,224
  5. Step 5: Solve for x
    x = 243,643,372,319,928,224/627,489,676.97
  6. Step 6: Final answer
    x = 388,282,678.21

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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.