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Finding the Fourth Proportional to 617,648,638.51, 926,470,936.97 and 224,174,940.51

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Solution

The fourth proportional to 617,648,638.51, 926,470,936.97 and 224,174,940.51 is: 336,261,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,648,638.51 : 926,470,936.97 = 224,174,940.51 : x
  2. Step 2: Convert to fraction form
    617,648,638.51/926,470,936.97 = 224,174,940.51/x
  3. Step 3: Cross multiply
    617,648,638.51x = 926,470,936.97 × 224,174,940.51
  4. Step 4: Simplify right side
    617,648,638.51x = 207,691,567,178,411,008
  5. Step 5: Solve for x
    x = 207,691,567,178,411,008/617,648,638.51
  6. Step 6: Final answer
    x = 336,261,677.32

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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.