Finding the Fourth Proportional to 5,740,244,939.80, 8,610,367,409.70 and 1,378,177,211.80
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Solution
The fourth proportional to 5,740,244,939.80, 8,610,367,409.70 and 1,378,177,211.80 is: 2,067,265,817.70
Step by Step Solution
- Step 1: Write the proportion equation
5,740,244,939.80 : 8,610,367,409.70 = 1,378,177,211.80 : x - Step 2: Convert to fraction form
5,740,244,939.80/8,610,367,409.70 = 1,378,177,211.80/x - Step 3: Cross multiply
5,740,244,939.80x = 8,610,367,409.70 × 1,378,177,211.80 - Step 4: Simplify right side
5,740,244,939.80x = 11,866,612,149,273,935,872 - Step 5: Solve for x
x = 11,866,612,149,273,935,872/5,740,244,939.80 - Step 6: Final answer
x = 2,067,265,817.70
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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.