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Finding the Fourth Proportional to 404,755,891.33, 558,563,318.13 and 219,116,907.04

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Solution

The fourth proportional to 404,755,891.33, 558,563,318.13 and 219,116,907.04 is: 302,381,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,755,891.33 : 558,563,318.13 = 219,116,907.04 : x
  2. Step 2: Convert to fraction form
    404,755,891.33/558,563,318.13 = 219,116,907.04/x
  3. Step 3: Cross multiply
    404,755,891.33x = 558,563,318.13 × 219,116,907.04
  4. Step 4: Simplify right side
    404,755,891.33x = 122,390,666,654,645,152
  5. Step 5: Solve for x
    x = 122,390,666,654,645,152/404,755,891.33
  6. Step 6: Final answer
    x = 302,381,433.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.