Finding the Fourth Proportional to 292,264,316.16, 403,229,858.37 and 199,283,398.80
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Solution
The fourth proportional to 292,264,316.16, 403,229,858.37 and 199,283,398.80 is: 274,946,383.22
Step by Step Solution
- Step 1: Write the proportion equation
292,264,316.16 : 403,229,858.37 = 199,283,398.80 : x - Step 2: Convert to fraction form
292,264,316.16/403,229,858.37 = 199,283,398.80/x - Step 3: Cross multiply
292,264,316.16x = 403,229,858.37 × 199,283,398.80 - Step 4: Simplify right side
292,264,316.16x = 80,357,016,673,616,240 - Step 5: Solve for x
x = 80,357,016,673,616,240/292,264,316.16 - Step 6: Final answer
x = 274,946,383.22
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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.