Home / 363,243,870-501,276,408.77-198,231,439.50

Finding the Fourth Proportional to 363,243,870, 501,276,408.77 and 198,231,439.50

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Solution

The fourth proportional to 363,243,870, 501,276,408.77 and 198,231,439.50 is: 273,559,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,243,870 : 501,276,408.77 = 198,231,439.50 : x
  2. Step 2: Convert to fraction form
    363,243,870/501,276,408.77 = 198,231,439.50/x
  3. Step 3: Cross multiply
    363,243,870x = 501,276,408.77 × 198,231,439.50
  4. Step 4: Simplify right side
    363,243,870x = 99,368,744,098,363,104
  5. Step 5: Solve for x
    x = 99,368,744,098,363,104/363,243,870
  6. Step 6: Final answer
    x = 273,559,314.57

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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.