Finding the Fourth Proportional to 609,448,192.29, 841,090,375.60 and 345,177,197.62
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Solution
The fourth proportional to 609,448,192.29, 841,090,375.60 and 345,177,197.62 is: 476,373,910.80
Step by Step Solution
- Step 1: Write the proportion equation
609,448,192.29 : 841,090,375.60 = 345,177,197.62 : x - Step 2: Convert to fraction form
609,448,192.29/841,090,375.60 = 345,177,197.62/x - Step 3: Cross multiply
609,448,192.29x = 841,090,375.60 × 345,177,197.62 - Step 4: Simplify right side
609,448,192.29x = 290,325,218,791,795,520 - Step 5: Solve for x
x = 290,325,218,791,795,520/609,448,192.29 - Step 6: Final answer
x = 476,373,910.80
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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.