Finding the Fourth Proportional to 39,237,724,462.64, 54,218,889,755.88 and 27,940,543,006.64
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Solution
The fourth proportional to 39,237,724,462.64, 54,218,889,755.88 and 27,940,543,006.64 is: 38,608,386,233.99
Step by Step Solution
- Step 1: Write the proportion equation
39,237,724,462.64 : 54,218,889,755.88 = 27,940,543,006.64 : x - Step 2: Convert to fraction form
39,237,724,462.64/54,218,889,755.88 = 27,940,543,006.64/x - Step 3: Cross multiply
39,237,724,462.64x = 54,218,889,755.88 × 27,940,543,006.64 - Step 4: Simplify right side
39,237,724,462.64x = 1,514,905,220,996,437,901,312 - Step 5: Solve for x
x = 1,514,905,220,996,437,901,312/39,237,724,462.64 - Step 6: Final answer
x = 38,608,386,233.99
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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.