Finding the Fourth Proportional to 503,228,270.13, 694,448,391.03 and 277,162,912.74
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Solution
The fourth proportional to 503,228,270.13, 694,448,391.03 and 277,162,912.74 is: 382,481,172.52
Step by Step Solution
- Step 1: Write the proportion equation
503,228,270.13 : 694,448,391.03 = 277,162,912.74 : x - Step 2: Convert to fraction form
503,228,270.13/694,448,391.03 = 277,162,912.74/x - Step 3: Cross multiply
503,228,270.13x = 694,448,391.03 × 277,162,912.74 - Step 4: Simplify right side
503,228,270.13x = 192,475,338,805,481,280 - Step 5: Solve for x
x = 192,475,338,805,481,280/503,228,270.13 - Step 6: Final answer
x = 382,481,172.52
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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.