Finding the Fourth Proportional to 5,978,723,903.75, 8,250,889,643.29 and 3,438,407,854.42
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Solution
The fourth proportional to 5,978,723,903.75, 8,250,889,643.29 and 3,438,407,854.42 is: 4,745,146,993.27
Step by Step Solution
- Step 1: Write the proportion equation
5,978,723,903.75 : 8,250,889,643.29 = 3,438,407,854.42 : x - Step 2: Convert to fraction form
5,978,723,903.75/8,250,889,643.29 = 3,438,407,854.42/x - Step 3: Cross multiply
5,978,723,903.75x = 8,250,889,643.29 × 3,438,407,854.42 - Step 4: Simplify right side
5,978,723,903.75x = 28,369,923,755,442,274,304 - Step 5: Solve for x
x = 28,369,923,755,442,274,304/5,978,723,903.75 - Step 6: Final answer
x = 4,745,146,993.27
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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.