Finding the Fourth Proportional to 5,987,526,006.80, 8,981,289,010.20 and 2,492,769,990.80
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Solution
The fourth proportional to 5,987,526,006.80, 8,981,289,010.20 and 2,492,769,990.80 is: 3,739,154,986.20
Step by Step Solution
- Step 1: Write the proportion equation
5,987,526,006.80 : 8,981,289,010.20 = 2,492,769,990.80 : x - Step 2: Convert to fraction form
5,987,526,006.80/8,981,289,010.20 = 2,492,769,990.80/x - Step 3: Cross multiply
5,987,526,006.80x = 8,981,289,010.20 × 2,492,769,990.80 - Step 4: Simplify right side
5,987,526,006.80x = 22,388,287,723,328,397,312 - Step 5: Solve for x
x = 22,388,287,723,328,397,312/5,987,526,006.80 - Step 6: Final answer
x = 3,739,154,986.20
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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.