Finding the Fourth Proportional to 524,092,668.80, 723,222,639.68 and 285,923,672.96
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Solution
The fourth proportional to 524,092,668.80, 723,222,639.68 and 285,923,672.96 is: 394,560,896.99
Step by Step Solution
- Step 1: Write the proportion equation
524,092,668.80 : 723,222,639.68 = 285,923,672.96 : x - Step 2: Convert to fraction form
524,092,668.80/723,222,639.68 = 285,923,672.96/x - Step 3: Cross multiply
524,092,668.80x = 723,222,639.68 × 285,923,672.96 - Step 4: Simplify right side
524,092,668.80x = 206,786,473,505,132,224 - Step 5: Solve for x
x = 206,786,473,505,132,224/524,092,668.80 - Step 6: Final answer
x = 394,560,896.99
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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.