Finding the Fourth Proportional to 3,632,213,889, 5,448,320,893.26 and 871,842,901.32
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Solution
The fourth proportional to 3,632,213,889, 5,448,320,893.26 and 871,842,901.32 is: 1,307,764,366.32
Step by Step Solution
- Step 1: Write the proportion equation
3,632,213,889 : 5,448,320,893.26 = 871,842,901.32 : x - Step 2: Convert to fraction form
3,632,213,889/5,448,320,893.26 = 871,842,901.32/x - Step 3: Cross multiply
3,632,213,889x = 5,448,320,893.26 × 871,842,901.32 - Step 4: Simplify right side
3,632,213,889x = 4,750,079,894,902,172,672 - Step 5: Solve for x
x = 4,750,079,894,902,172,672/3,632,213,889 - Step 6: Final answer
x = 1,307,764,366.32
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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.