Finding the Fourth Proportional to 299,691,312,471.99, 449,563,397,601.02 and 84,561,741,531.77
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Solution
The fourth proportional to 299,691,312,471.99, 449,563,397,601.02 and 84,561,741,531.77 is: 126,850,069,548.25
Step by Step Solution
- Step 1: Write the proportion equation
299,691,312,471.99 : 449,563,397,601.02 = 84,561,741,531.77 : x - Step 2: Convert to fraction form
299,691,312,471.99/449,563,397,601.02 = 84,561,741,531.77/x - Step 3: Cross multiply
299,691,312,471.99x = 449,563,397,601.02 × 84,561,741,531.77 - Step 4: Simplify right side
299,691,312,471.99x = 38,015,863,830,079,558,647,808 - Step 5: Solve for x
x = 38,015,863,830,079,558,647,808/299,691,312,471.99 - Step 6: Final answer
x = 126,850,069,548.25
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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.