Finding the Fourth Proportional to 1,942,144,279.10, 2,680,404,575.21 and 1,273,651,731.08
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Solution
The fourth proportional to 1,942,144,279.10, 2,680,404,575.21 and 1,273,651,731.08 is: 1,757,800,367.32
Step by Step Solution
- Step 1: Write the proportion equation
1,942,144,279.10 : 2,680,404,575.21 = 1,273,651,731.08 : x - Step 2: Convert to fraction form
1,942,144,279.10/2,680,404,575.21 = 1,273,651,731.08/x - Step 3: Cross multiply
1,942,144,279.10x = 2,680,404,575.21 × 1,273,651,731.08 - Step 4: Simplify right side
1,942,144,279.10x = 3,413,901,927,191,198,208 - Step 5: Solve for x
x = 3,413,901,927,191,198,208/1,942,144,279.10 - Step 6: Final answer
x = 1,757,800,367.32
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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.