Finding the Fourth Proportional to 1,672,114,640.86, 2,305,376,138.21 and 1,369,585,452.54
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Solution
The fourth proportional to 1,672,114,640.86, 2,305,376,138.21 and 1,369,585,452.54 is: 1,888,273,414.02
Step by Step Solution
- Step 1: Write the proportion equation
1,672,114,640.86 : 2,305,376,138.21 = 1,369,585,452.54 : x - Step 2: Convert to fraction form
1,672,114,640.86/2,305,376,138.21 = 1,369,585,452.54/x - Step 3: Cross multiply
1,672,114,640.86x = 2,305,376,138.21 × 1,369,585,452.54 - Step 4: Simplify right side
1,672,114,640.86x = 3,157,409,621,526,942,208 - Step 5: Solve for x
x = 3,157,409,621,526,942,208/1,672,114,640.86 - Step 6: Final answer
x = 1,888,273,414.02
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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.