Finding the Fourth Proportional to 775,640,974.43, 1,163,375,517.49 and 277,631,599.13
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Solution
The fourth proportional to 775,640,974.43, 1,163,375,517.49 and 277,631,599.13 is: 416,416,635.99
Step by Step Solution
- Step 1: Write the proportion equation
775,640,974.43 : 1,163,375,517.49 = 277,631,599.13 : x - Step 2: Convert to fraction form
775,640,974.43/1,163,375,517.49 = 277,631,599.13/x - Step 3: Cross multiply
775,640,974.43x = 1,163,375,517.49 × 277,631,599.13 - Step 4: Simplify right side
775,640,974.43x = 322,989,805,309,440,000 - Step 5: Solve for x
x = 322,989,805,309,440,000/775,640,974.43 - Step 6: Final answer
x = 416,416,635.99
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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.