Finding the Fourth Proportional to 11,921,477,351.31, 16,451,989,674.37 and 6,569,382,472.98
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Solution
The fourth proportional to 11,921,477,351.31, 16,451,989,674.37 and 6,569,382,472.98 is: 9,065,941,193.99
Step by Step Solution
- Step 1: Write the proportion equation
11,921,477,351.31 : 16,451,989,674.37 = 6,569,382,472.98 : x - Step 2: Convert to fraction form
11,921,477,351.31/16,451,989,674.37 = 6,569,382,472.98/x - Step 3: Cross multiply
11,921,477,351.31x = 16,451,989,674.37 × 6,569,382,472.98 - Step 4: Simplify right side
11,921,477,351.31x = 108,079,412,612,417,978,368 - Step 5: Solve for x
x = 108,079,412,612,417,978,368/11,921,477,351.31 - Step 6: Final answer
x = 9,065,941,193.99
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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.