Home / 629,861,480.40-944,792,220.60-285,487,712.40

Finding the Fourth Proportional to 629,861,480.40, 944,792,220.60 and 285,487,712.40

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Solution

The fourth proportional to 629,861,480.40, 944,792,220.60 and 285,487,712.40 is: 428,231,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,480.40 : 944,792,220.60 = 285,487,712.40 : x
  2. Step 2: Convert to fraction form
    629,861,480.40/944,792,220.60 = 285,487,712.40/x
  3. Step 3: Cross multiply
    629,861,480.40x = 944,792,220.60 × 285,487,712.40
  4. Step 4: Simplify right side
    629,861,480.40x = 269,726,569,752,410,144
  5. Step 5: Solve for x
    x = 269,726,569,752,410,144/629,861,480.40
  6. Step 6: Final answer
    x = 428,231,568.60

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Double scale
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Similar ratio
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1.5x scale

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.