Finding the Fourth Proportional to 6,257,129,539.92, 8,635,579,019.97 and 3,716,821,543.68
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Solution
The fourth proportional to 6,257,129,539.92, 8,635,579,019.97 and 3,716,821,543.68 is: 5,129,653,451.92
Step by Step Solution
- Step 1: Write the proportion equation
6,257,129,539.92 : 8,635,579,019.97 = 3,716,821,543.68 : x - Step 2: Convert to fraction form
6,257,129,539.92/8,635,579,019.97 = 3,716,821,543.68/x - Step 3: Cross multiply
6,257,129,539.92x = 8,635,579,019.97 × 3,716,821,543.68 - Step 4: Simplify right side
6,257,129,539.92x = 32,096,906,143,575,511,040 - Step 5: Solve for x
x = 32,096,906,143,575,511,040/6,257,129,539.92 - Step 6: Final answer
x = 5,129,653,451.92
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1.5x scale
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.