Finding the Fourth Proportional to 868,199,416.36, 1,198,114,919.62 and 477,084,034.60
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Solution
The fourth proportional to 868,199,416.36, 1,198,114,919.62 and 477,084,034.60 is: 658,375,816.66
Step by Step Solution
- Step 1: Write the proportion equation
868,199,416.36 : 1,198,114,919.62 = 477,084,034.60 : x - Step 2: Convert to fraction form
868,199,416.36/1,198,114,919.62 = 477,084,034.60/x - Step 3: Cross multiply
868,199,416.36x = 1,198,114,919.62 × 477,084,034.60 - Step 4: Simplify right side
868,199,416.36x = 571,601,499,766,764,288 - Step 5: Solve for x
x = 571,601,499,766,764,288/868,199,416.36 - Step 6: Final answer
x = 658,375,816.66
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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.