Finding the Fourth Proportional to 367,193,869.68, 506,728,739.16 and 199,932,109.68
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Solution
The fourth proportional to 367,193,869.68, 506,728,739.16 and 199,932,109.68 is: 275,906,964.20
Step by Step Solution
- Step 1: Write the proportion equation
367,193,869.68 : 506,728,739.16 = 199,932,109.68 : x - Step 2: Convert to fraction form
367,193,869.68/506,728,739.16 = 199,932,109.68/x - Step 3: Cross multiply
367,193,869.68x = 506,728,739.16 × 199,932,109.68 - Step 4: Simplify right side
367,193,869.68x = 101,311,345,855,745,232 - Step 5: Solve for x
x = 101,311,345,855,745,232/367,193,869.68 - Step 6: Final answer
x = 275,906,964.20
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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.