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Finding the Fourth Proportional to 889,794,664.58, 1,333,757,697.51 and 299,379,942.14

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Solution

The fourth proportional to 889,794,664.58, 1,333,757,697.51 and 299,379,942.14 is: 448,755,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,794,664.58 : 1,333,757,697.51 = 299,379,942.14 : x
  2. Step 2: Convert to fraction form
    889,794,664.58/1,333,757,697.51 = 299,379,942.14/x
  3. Step 3: Cross multiply
    889,794,664.58x = 1,333,757,697.51 × 299,379,942.14
  4. Step 4: Simplify right side
    889,794,664.58x = 399,300,302,303,792,256
  5. Step 5: Solve for x
    x = 399,300,302,303,792,256/889,794,664.58
  6. Step 6: Final answer
    x = 448,755,559.23

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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.