Home / 454,593,828.60-627,324,209.46-287,420,073.48

Finding the Fourth Proportional to 454,593,828.60, 627,324,209.46 and 287,420,073.48

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Solution

The fourth proportional to 454,593,828.60, 627,324,209.46 and 287,420,073.48 is: 396,630,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,593,828.60 : 627,324,209.46 = 287,420,073.48 : x
  2. Step 2: Convert to fraction form
    454,593,828.60/627,324,209.46 = 287,420,073.48/x
  3. Step 3: Cross multiply
    454,593,828.60x = 627,324,209.46 × 287,420,073.48
  4. Step 4: Simplify right side
    454,593,828.60x = 180,305,570,378,776,128
  5. Step 5: Solve for x
    x = 180,305,570,378,776,128/454,593,828.60
  6. Step 6: Final answer
    x = 396,630,044.31

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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.