Finding the Fourth Proportional to 3,747,869,458.40, 5,172,060,342.84 and 2,077,226,456.96
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Solution
The fourth proportional to 3,747,869,458.40, 5,172,060,342.84 and 2,077,226,456.96 is: 2,866,572,782.32
Step by Step Solution
- Step 1: Write the proportion equation
3,747,869,458.40 : 5,172,060,342.84 = 2,077,226,456.96 : x - Step 2: Convert to fraction form
3,747,869,458.40/5,172,060,342.84 = 2,077,226,456.96/x - Step 3: Cross multiply
3,747,869,458.40x = 5,172,060,342.84 × 2,077,226,456.96 - Step 4: Simplify right side
3,747,869,458.40x = 10,743,540,581,140,856,832 - Step 5: Solve for x
x = 10,743,540,581,140,856,832/3,747,869,458.40 - Step 6: Final answer
x = 2,866,572,782.32
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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.