Finding the Fourth Proportional to 722,326,276.60, 1,083,489,414.90 and 177,067,810.60
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Solution
The fourth proportional to 722,326,276.60, 1,083,489,414.90 and 177,067,810.60 is: 265,601,715.90
Step by Step Solution
- Step 1: Write the proportion equation
722,326,276.60 : 1,083,489,414.90 = 177,067,810.60 : x - Step 2: Convert to fraction form
722,326,276.60/1,083,489,414.90 = 177,067,810.60/x - Step 3: Cross multiply
722,326,276.60x = 1,083,489,414.90 × 177,067,810.60 - Step 4: Simplify right side
722,326,276.60x = 191,851,098,504,618,016 - Step 5: Solve for x
x = 191,851,098,504,618,016/722,326,276.60 - Step 6: Final answer
x = 265,601,715.90
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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.