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Finding the Fourth Proportional to 668,796,234.73, 922,950,217.61 and 367,394,261.11

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Solution

The fourth proportional to 668,796,234.73, 922,950,217.61 and 367,394,261.11 is: 507,010,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,796,234.73 : 922,950,217.61 = 367,394,261.11 : x
  2. Step 2: Convert to fraction form
    668,796,234.73/922,950,217.61 = 367,394,261.11/x
  3. Step 3: Cross multiply
    668,796,234.73x = 922,950,217.61 × 367,394,261.11
  4. Step 4: Simplify right side
    668,796,234.73x = 339,086,613,240,139,648
  5. Step 5: Solve for x
    x = 339,086,613,240,139,648/668,796,234.73
  6. Step 6: Final answer
    x = 507,010,350.29

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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.