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Finding the Fourth Proportional to 404,755,889.33, 558,563,315.37 and 219,116,905.04

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Solution

The fourth proportional to 404,755,889.33, 558,563,315.37 and 219,116,905.04 is: 302,381,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,755,889.33 : 558,563,315.37 = 219,116,905.04 : x
  2. Step 2: Convert to fraction form
    404,755,889.33/558,563,315.37 = 219,116,905.04/x
  3. Step 3: Cross multiply
    404,755,889.33x = 558,563,315.37 × 219,116,905.04
  4. Step 4: Simplify right side
    404,755,889.33x = 122,390,664,932,755,856
  5. Step 5: Solve for x
    x = 122,390,664,932,755,856/404,755,889.33
  6. Step 6: Final answer
    x = 302,381,430.78

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