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Finding the Fourth Proportional to 269,951,887, 404,996,881.38 and 78,475,663

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Solution

The fourth proportional to 269,951,887, 404,996,881.38 and 78,475,663 is: 117,733,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,951,887 : 404,996,881.38 = 78,475,663 : x
  2. Step 2: Convert to fraction form
    269,951,887/404,996,881.38 = 78,475,663/x
  3. Step 3: Cross multiply
    269,951,887x = 404,996,881.38 × 78,475,663
  4. Step 4: Simplify right side
    269,951,887x = 31,782,398,779,227,856
  5. Step 5: Solve for x
    x = 31,782,398,779,227,856/269,951,887
  6. Step 6: Final answer
    x = 117,733,567.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.