Finding the Fourth Proportional to 5,878,916,197.38, 8,112,890,147.94 and 3,202,718,368.32
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Solution
The fourth proportional to 5,878,916,197.38, 8,112,890,147.94 and 3,202,718,368.32 is: 4,419,743,609.98
Step by Step Solution
- Step 1: Write the proportion equation
5,878,916,197.38 : 8,112,890,147.94 = 3,202,718,368.32 : x - Step 2: Convert to fraction form
5,878,916,197.38/8,112,890,147.94 = 3,202,718,368.32/x - Step 3: Cross multiply
5,878,916,197.38x = 8,112,890,147.94 × 3,202,718,368.32 - Step 4: Simplify right side
5,878,916,197.38x = 25,983,302,296,969,801,728 - Step 5: Solve for x
x = 25,983,302,296,969,801,728/5,878,916,197.38 - Step 6: Final answer
x = 4,419,743,609.98
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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.