Finding the Fourth Proportional to 7,625,367,073.20, 11,438,050,609.80 and 2,716,269,409.20
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Solution
The fourth proportional to 7,625,367,073.20, 11,438,050,609.80 and 2,716,269,409.20 is: 4,074,404,113.80
Step by Step Solution
- Step 1: Write the proportion equation
7,625,367,073.20 : 11,438,050,609.80 = 2,716,269,409.20 : x - Step 2: Convert to fraction form
7,625,367,073.20/11,438,050,609.80 = 2,716,269,409.20/x - Step 3: Cross multiply
7,625,367,073.20x = 11,438,050,609.80 × 2,716,269,409.20 - Step 4: Simplify right side
7,625,367,073.20x = 31,068,826,972,281,143,296 - Step 5: Solve for x
x = 31,068,826,972,281,143,296/7,625,367,073.20 - Step 6: Final answer
x = 4,074,404,113.80
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Double scale
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Similar ratio
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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.