Finding the Fourth Proportional to 5,174,693,761.44, 7,141,077,423.28 and 2,947,233,211.68
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Solution
The fourth proportional to 5,174,693,761.44, 7,141,077,423.28 and 2,947,233,211.68 is: 4,067,181,850.62
Step by Step Solution
- Step 1: Write the proportion equation
5,174,693,761.44 : 7,141,077,423.28 = 2,947,233,211.68 : x - Step 2: Convert to fraction form
5,174,693,761.44/7,141,077,423.28 = 2,947,233,211.68/x - Step 3: Cross multiply
5,174,693,761.44x = 7,141,077,423.28 × 2,947,233,211.68 - Step 4: Simplify right side
5,174,693,761.44x = 21,046,420,549,069,049,856 - Step 5: Solve for x
x = 21,046,420,549,069,049,856/5,174,693,761.44 - Step 6: Final answer
x = 4,067,181,850.62
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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.