Finding the Fourth Proportional to 18,097,320,711.58, 27,149,908,121.18 and 5,505,851,921.06
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Solution
The fourth proportional to 18,097,320,711.58, 27,149,908,121.18 and 5,505,851,921.06 is: 8,259,972,631.75
Step by Step Solution
- Step 1: Write the proportion equation
18,097,320,711.58 : 27,149,908,121.18 = 5,505,851,921.06 : x - Step 2: Convert to fraction form
18,097,320,711.58/27,149,908,121.18 = 5,505,851,921.06/x - Step 3: Cross multiply
18,097,320,711.58x = 27,149,908,121.18 × 5,505,851,921.06 - Step 4: Simplify right side
18,097,320,711.58x = 149,483,373,785,601,409,024 - Step 5: Solve for x
x = 149,483,373,785,601,409,024/18,097,320,711.58 - Step 6: Final answer
x = 8,259,972,631.75
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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.