Finding the Fourth Proportional to 721,193,517,806.32, 1,081,825,066,359.80 and 237,137,021,092.18
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Solution
The fourth proportional to 721,193,517,806.32, 1,081,825,066,359.80 and 237,137,021,092.18 is: 355,716,970,889.79
Step by Step Solution
- Step 1: Write the proportion equation
721,193,517,806.32 : 1,081,825,066,359.80 = 237,137,021,092.18 : x - Step 2: Convert to fraction form
721,193,517,806.32/1,081,825,066,359.80 = 237,137,021,092.18/x - Step 3: Cross multiply
721,193,517,806.32x = 1,081,825,066,359.80 × 237,137,021,092.18 - Step 4: Simplify right side
721,193,517,806.32x = 256,540,773,579,412,926,889,984 - Step 5: Solve for x
x = 256,540,773,579,412,926,889,984/721,193,517,806.32 - Step 6: Final answer
x = 355,716,970,889.79
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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.