Finding the Fourth Proportional to 4,136,861,606.40, 6,205,292,409.60 and 3,320,568,230.40
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Solution
The fourth proportional to 4,136,861,606.40, 6,205,292,409.60 and 3,320,568,230.40 is: 4,980,852,345.60
Step by Step Solution
- Step 1: Write the proportion equation
4,136,861,606.40 : 6,205,292,409.60 = 3,320,568,230.40 : x - Step 2: Convert to fraction form
4,136,861,606.40/6,205,292,409.60 = 3,320,568,230.40/x - Step 3: Cross multiply
4,136,861,606.40x = 6,205,292,409.60 × 3,320,568,230.40 - Step 4: Simplify right side
4,136,861,606.40x = 20,605,096,835,660,025,856 - Step 5: Solve for x
x = 20,605,096,835,660,025,856/4,136,861,606.40 - Step 6: Final answer
x = 4,980,852,345.60
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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.