Finding the Fourth Proportional to 7,021,752,309.99, 10,531,016,715.99 and 4,186,348,868.73
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Solution
The fourth proportional to 7,021,752,309.99, 10,531,016,715.99 and 4,186,348,868.73 is: 6,278,562,382.90
Step by Step Solution
- Step 1: Write the proportion equation
7,021,752,309.99 : 10,531,016,715.99 = 4,186,348,868.73 : x - Step 2: Convert to fraction form
7,021,752,309.99/10,531,016,715.99 = 4,186,348,868.73/x - Step 3: Cross multiply
7,021,752,309.99x = 10,531,016,715.99 × 4,186,348,868.73 - Step 4: Simplify right side
7,021,752,309.99x = 44,086,509,915,561,451,520 - Step 5: Solve for x
x = 44,086,509,915,561,451,520/7,021,752,309.99 - Step 6: Final answer
x = 6,278,562,382.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.