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Finding the Fourth Proportional to 629,807,669.70, 944,647,719.48 and 169,792,340.10

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Solution

The fourth proportional to 629,807,669.70, 944,647,719.48 and 169,792,340.10 is: 254,671,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,807,669.70 : 944,647,719.48 = 169,792,340.10 : x
  2. Step 2: Convert to fraction form
    629,807,669.70/944,647,719.48 = 169,792,340.10/x
  3. Step 3: Cross multiply
    629,807,669.70x = 944,647,719.48 × 169,792,340.10
  4. Step 4: Simplify right side
    629,807,669.70x = 160,393,946,860,637,568
  5. Step 5: Solve for x
    x = 160,393,946,860,637,568/629,807,669.70
  6. Step 6: Final answer
    x = 254,671,314.08

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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.