Finding the Fourth Proportional to 1,805,701,213,397.10, 2,491,868,081,239.60 and 993,716,296,010.64
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Solution
The fourth proportional to 1,805,701,213,397.10, 2,491,868,081,239.60 and 993,716,296,010.64 is: 1,371,328,712,338.86
Step by Step Solution
- Step 1: Write the proportion equation
1,805,701,213,397.10 : 2,491,868,081,239.60 = 993,716,296,010.64 : x - Step 2: Convert to fraction form
1,805,701,213,397.10/2,491,868,081,239.60 = 993,716,296,010.64/x - Step 3: Cross multiply
1,805,701,213,397.10x = 2,491,868,081,239.60 × 993,716,296,010.64 - Step 4: Simplify right side
1,805,701,213,397.10x = 2,476,209,919,836,556,001,017,856 - Step 5: Solve for x
x = 2,476,209,919,836,556,001,017,856/1,805,701,213,397.10 - Step 6: Final answer
x = 1,371,328,712,338.86
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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.