Finding the Fourth Proportional to 3,146,936,132.77, 4,342,785,733.96 and 1,737,251,679.40
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Solution
The fourth proportional to 3,146,936,132.77, 4,342,785,733.96 and 1,737,251,679.40 is: 2,397,414,974.85
Step by Step Solution
- Step 1: Write the proportion equation
3,146,936,132.77 : 4,342,785,733.96 = 1,737,251,679.40 : x - Step 2: Convert to fraction form
3,146,936,132.77/4,342,785,733.96 = 1,737,251,679.40/x - Step 3: Cross multiply
3,146,936,132.77x = 4,342,785,733.96 × 1,737,251,679.40 - Step 4: Simplify right side
3,146,936,132.77x = 7,544,511,809,581,172,736 - Step 5: Solve for x
x = 7,544,511,809,581,172,736/3,146,936,132.77 - Step 6: Final answer
x = 2,397,414,974.85
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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.