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Finding the Fourth Proportional to 882,992,027.82, 1,324,692,978.66 and 300,731,317.89

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Solution

The fourth proportional to 882,992,027.82, 1,324,692,978.66 and 300,731,317.89 is: 451,166,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,992,027.82 : 1,324,692,978.66 = 300,731,317.89 : x
  2. Step 2: Convert to fraction form
    882,992,027.82/1,324,692,978.66 = 300,731,317.89/x
  3. Step 3: Cross multiply
    882,992,027.82x = 1,324,692,978.66 × 300,731,317.89
  4. Step 4: Simplify right side
    882,992,027.82x = 398,376,665,272,051,456
  5. Step 5: Solve for x
    x = 398,376,665,272,051,456/882,992,027.82
  6. Step 6: Final answer
    x = 451,166,774.69

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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.