Finding the Fourth Proportional to 721,193,517,802.30, 1,081,825,066,353.80 and 237,137,021,088.18
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Solution
The fourth proportional to 721,193,517,802.30, 1,081,825,066,353.80 and 237,137,021,088.18 is: 355,716,970,883.80
Step by Step Solution
- Step 1: Write the proportion equation
721,193,517,802.30 : 1,081,825,066,353.80 = 237,137,021,088.18 : x - Step 2: Convert to fraction form
721,193,517,802.30/1,081,825,066,353.80 = 237,137,021,088.18/x - Step 3: Cross multiply
721,193,517,802.30x = 1,081,825,066,353.80 × 237,137,021,088.18 - Step 4: Simplify right side
721,193,517,802.30x = 256,540,773,573,662,804,541,440 - Step 5: Solve for x
x = 256,540,773,573,662,804,541,440/721,193,517,802.30 - Step 6: Final answer
x = 355,716,970,883.80
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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.