Finding the Fourth Proportional to 11,659,586,301.60, 17,493,410,530.80 and 11,256,478,461.60
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Solution
The fourth proportional to 11,659,586,301.60, 17,493,410,530.80 and 11,256,478,461.60 is: 16,888,609,403.99
Step by Step Solution
- Step 1: Write the proportion equation
11,659,586,301.60 : 17,493,410,530.80 = 11,256,478,461.60 : x - Step 2: Convert to fraction form
11,659,586,301.60/17,493,410,530.80 = 11,256,478,461.60/x - Step 3: Cross multiply
11,659,586,301.60x = 17,493,410,530.80 × 11,256,478,461.60 - Step 4: Simplify right side
11,659,586,301.60x = 196,914,198,859,876,827,136 - Step 5: Solve for x
x = 196,914,198,859,876,827,136/11,659,586,301.60 - Step 6: Final answer
x = 16,888,609,403.99
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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.