Finding the Fourth Proportional to 2,609,467,174.80, 3,601,065,291.30 and 1,436,045,446.80
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Solution
The fourth proportional to 2,609,467,174.80, 3,601,065,291.30 and 1,436,045,446.80 is: 1,981,743,041.32
Step by Step Solution
- Step 1: Write the proportion equation
2,609,467,174.80 : 3,601,065,291.30 = 1,436,045,446.80 : x - Step 2: Convert to fraction form
2,609,467,174.80/3,601,065,291.30 = 1,436,045,446.80/x - Step 3: Cross multiply
2,609,467,174.80x = 3,601,065,291.30 × 1,436,045,446.80 - Step 4: Simplify right side
2,609,467,174.80x = 5,171,293,415,200,880,640 - Step 5: Solve for x
x = 5,171,293,415,200,880,640/2,609,467,174.80 - Step 6: Final answer
x = 1,981,743,041.32
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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.