Finding the Fourth Proportional to 5,978,723,902.39, 8,250,889,641.41 and 3,438,407,853.06
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Solution
The fourth proportional to 5,978,723,902.39, 8,250,889,641.41 and 3,438,407,853.06 is: 4,745,146,991.39
Step by Step Solution
- Step 1: Write the proportion equation
5,978,723,902.39 : 8,250,889,641.41 = 3,438,407,853.06 : x - Step 2: Convert to fraction form
5,978,723,902.39/8,250,889,641.41 = 3,438,407,853.06/x - Step 3: Cross multiply
5,978,723,902.39x = 8,250,889,641.41 × 3,438,407,853.06 - Step 4: Simplify right side
5,978,723,902.39x = 28,369,923,737,759,195,136 - Step 5: Solve for x
x = 28,369,923,737,759,195,136/5,978,723,902.39 - Step 6: Final answer
x = 4,745,146,991.39
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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.