Finding the Fourth Proportional to 721,193,517,780.26, 1,081,825,066,320.80 and 237,137,021,066.08
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Solution
The fourth proportional to 721,193,517,780.26, 1,081,825,066,320.80 and 237,137,021,066.08 is: 355,716,970,850.67
Step by Step Solution
- Step 1: Write the proportion equation
721,193,517,780.26 : 1,081,825,066,320.80 = 237,137,021,066.08 : x - Step 2: Convert to fraction form
721,193,517,780.26/1,081,825,066,320.80 = 237,137,021,066.08/x - Step 3: Cross multiply
721,193,517,780.26x = 1,081,825,066,320.80 × 237,137,021,066.08 - Step 4: Simplify right side
721,193,517,780.26x = 256,540,773,541,928,935,358,464 - Step 5: Solve for x
x = 256,540,773,541,928,935,358,464/721,193,517,780.26 - Step 6: Final answer
x = 355,716,970,850.67
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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.