Finding the Fourth Proportional to 620,469,265.38, 930,695,926.05 and 206,136,604.14
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Solution
The fourth proportional to 620,469,265.38, 930,695,926.05 and 206,136,604.14 is: 309,202,257.69
Step by Step Solution
- Step 1: Write the proportion equation
620,469,265.38 : 930,695,926.05 = 206,136,604.14 : x - Step 2: Convert to fraction form
620,469,265.38/930,695,926.05 = 206,136,604.14/x - Step 3: Cross multiply
620,469,265.38x = 930,695,926.05 × 206,136,604.14 - Step 4: Simplify right side
620,469,265.38x = 191,850,497,682,879,552 - Step 5: Solve for x
x = 191,850,497,682,879,552/620,469,265.38 - Step 6: Final answer
x = 309,202,257.69
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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.