Finding the Fourth Proportional to 734,961,906.20, 1,102,442,859.30 and 635,192,715.80
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Solution
The fourth proportional to 734,961,906.20, 1,102,442,859.30 and 635,192,715.80 is: 952,789,073.70
Step by Step Solution
- Step 1: Write the proportion equation
734,961,906.20 : 1,102,442,859.30 = 635,192,715.80 : x - Step 2: Convert to fraction form
734,961,906.20/1,102,442,859.30 = 635,192,715.80/x - Step 3: Cross multiply
734,961,906.20x = 1,102,442,859.30 × 635,192,715.80 - Step 4: Simplify right side
734,961,906.20x = 700,263,673,813,084,160 - Step 5: Solve for x
x = 700,263,673,813,084,160/734,961,906.20 - Step 6: Final answer
x = 952,789,073.70
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1.5x scale
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.