Finding the Fourth Proportional to 6,379,647,941.80, 9,569,471,912.70 and 5,519,684,549.80
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Solution
The fourth proportional to 6,379,647,941.80, 9,569,471,912.70 and 5,519,684,549.80 is: 8,279,526,824.70
Step by Step Solution
- Step 1: Write the proportion equation
6,379,647,941.80 : 9,569,471,912.70 = 5,519,684,549.80 : x - Step 2: Convert to fraction form
6,379,647,941.80/9,569,471,912.70 = 5,519,684,549.80/x - Step 3: Cross multiply
6,379,647,941.80x = 9,569,471,912.70 × 5,519,684,549.80 - Step 4: Simplify right side
6,379,647,941.80x = 52,820,466,266,275,250,176 - Step 5: Solve for x
x = 52,820,466,266,275,250,176/6,379,647,941.80 - Step 6: Final answer
x = 8,279,526,824.70
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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.