Finding the Fourth Proportional to 17,487,680,178.26, 26,231,596,745.16 and 5,535,990,888.90
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Solution
The fourth proportional to 17,487,680,178.26, 26,231,596,745.16 and 5,535,990,888.90 is: 8,304,010,543.55
Step by Step Solution
- Step 1: Write the proportion equation
17,487,680,178.26 : 26,231,596,745.16 = 5,535,990,888.90 : x - Step 2: Convert to fraction form
17,487,680,178.26/26,231,596,745.16 = 5,535,990,888.90/x - Step 3: Cross multiply
17,487,680,178.26x = 26,231,596,745.16 × 5,535,990,888.90 - Step 4: Simplify right side
17,487,680,178.26x = 145,217,880,582,504,644,608 - Step 5: Solve for x
x = 145,217,880,582,504,644,608/17,487,680,178.26 - Step 6: Final answer
x = 8,304,010,543.55
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1.5x scale
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.