Home / 629,861,609.40-944,792,414.10-284,826,492.60

Finding the Fourth Proportional to 629,861,609.40, 944,792,414.10 and 284,826,492.60

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Solution

The fourth proportional to 629,861,609.40, 944,792,414.10 and 284,826,492.60 is: 427,239,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,609.40 : 944,792,414.10 = 284,826,492.60 : x
  2. Step 2: Convert to fraction form
    629,861,609.40/944,792,414.10 = 284,826,492.60/x
  3. Step 3: Cross multiply
    629,861,609.40x = 944,792,414.10 × 284,826,492.60
  4. Step 4: Simplify right side
    629,861,609.40x = 269,101,909,543,189,824
  5. Step 5: Solve for x
    x = 269,101,909,543,189,824/629,861,609.40
  6. Step 6: Final answer
    x = 427,239,738.90

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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.