Finding the Fourth Proportional to 299,041,260.68, 448,561,891.01 and 80,691,252.44
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Solution
The fourth proportional to 299,041,260.68, 448,561,891.01 and 80,691,252.44 is: 121,036,878.65
Step by Step Solution
- Step 1: Write the proportion equation
299,041,260.68 : 448,561,891.01 = 80,691,252.44 : x - Step 2: Convert to fraction form
299,041,260.68/448,561,891.01 = 80,691,252.44/x - Step 3: Cross multiply
299,041,260.68x = 448,561,891.01 × 80,691,252.44 - Step 4: Simplify right side
299,041,260.68x = 36,195,020,779,805,408 - Step 5: Solve for x
x = 36,195,020,779,805,408/299,041,260.68 - Step 6: Final answer
x = 121,036,878.65
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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.