Home / 500,144,716.70-690,200,520.23-274,047,772.09

Finding the Fourth Proportional to 500,144,716.70, 690,200,520.23 and 274,047,772.09

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Solution

The fourth proportional to 500,144,716.70, 690,200,520.23 and 274,047,772.09 is: 378,186,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,144,716.70 : 690,200,520.23 = 274,047,772.09 : x
  2. Step 2: Convert to fraction form
    500,144,716.70/690,200,520.23 = 274,047,772.09/x
  3. Step 3: Cross multiply
    500,144,716.70x = 690,200,520.23 × 274,047,772.09
  4. Step 4: Simplify right side
    500,144,716.70x = 189,147,914,864,390,464
  5. Step 5: Solve for x
    x = 189,147,914,864,390,464/500,144,716.70
  6. Step 6: Final answer
    x = 378,186,369.97

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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.