Home / 629,861,492.40-944,792,238.60-387,660,865.20

Finding the Fourth Proportional to 629,861,492.40, 944,792,238.60 and 387,660,865.20

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Solution

The fourth proportional to 629,861,492.40, 944,792,238.60 and 387,660,865.20 is: 581,491,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,492.40 : 944,792,238.60 = 387,660,865.20 : x
  2. Step 2: Convert to fraction form
    629,861,492.40/944,792,238.60 = 387,660,865.20/x
  3. Step 3: Cross multiply
    629,861,492.40x = 944,792,238.60 × 387,660,865.20
  4. Step 4: Simplify right side
    629,861,492.40x = 366,258,976,649,920,832
  5. Step 5: Solve for x
    x = 366,258,976,649,920,832/629,861,492.40
  6. Step 6: Final answer
    x = 581,491,297.80

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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.