Finding the Fourth Proportional to 2,177,351,190.60, 3,266,026,785.90 and 796,706,838.60
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Solution
The fourth proportional to 2,177,351,190.60, 3,266,026,785.90 and 796,706,838.60 is: 1,195,060,257.90
Step by Step Solution
- Step 1: Write the proportion equation
2,177,351,190.60 : 3,266,026,785.90 = 796,706,838.60 : x - Step 2: Convert to fraction form
2,177,351,190.60/3,266,026,785.90 = 796,706,838.60/x - Step 3: Cross multiply
2,177,351,190.60x = 3,266,026,785.90 × 796,706,838.60 - Step 4: Simplify right side
2,177,351,190.60x = 2,602,065,875,377,308,160 - Step 5: Solve for x
x = 2,602,065,875,377,308,160/2,177,351,190.60 - Step 6: Final answer
x = 1,195,060,257.90
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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.