Finding the Fourth Proportional to 5,631,321,102.25, 7,771,230,816.68 and 3,056,344,877.61
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Solution
The fourth proportional to 5,631,321,102.25, 7,771,230,816.68 and 3,056,344,877.61 is: 4,217,760,107.80
Step by Step Solution
- Step 1: Write the proportion equation
5,631,321,102.25 : 7,771,230,816.68 = 3,056,344,877.61 : x - Step 2: Convert to fraction form
5,631,321,102.25/7,771,230,816.68 = 3,056,344,877.61/x - Step 3: Cross multiply
5,631,321,102.25x = 7,771,230,816.68 × 3,056,344,877.61 - Step 4: Simplify right side
5,631,321,102.25x = 23,751,561,499,284,897,792 - Step 5: Solve for x
x = 23,751,561,499,284,897,792/5,631,321,102.25 - Step 6: Final answer
x = 4,217,760,107.80
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1.5x scale
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.