Home / 627,489,680.21-941,349,440.56-258,823,520.94

Finding the Fourth Proportional to 627,489,680.21, 941,349,440.56 and 258,823,520.94

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Solution

The fourth proportional to 627,489,680.21, 941,349,440.56 and 258,823,520.94 is: 388,282,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,489,680.21 : 941,349,440.56 = 258,823,520.94 : x
  2. Step 2: Convert to fraction form
    627,489,680.21/941,349,440.56 = 258,823,520.94/x
  3. Step 3: Cross multiply
    627,489,680.21x = 941,349,440.56 × 258,823,520.94
  4. Step 4: Simplify right side
    627,489,680.21x = 243,643,376,640,638,432
  5. Step 5: Solve for x
    x = 243,643,376,640,638,432/627,489,680.21
  6. Step 6: Final answer
    x = 388,282,683.09

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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.