Finding the Fourth Proportional to 21,135,906,864.24, 31,703,869,276.69 and 6,213,073,477.76
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Solution
The fourth proportional to 21,135,906,864.24, 31,703,869,276.69 and 6,213,073,477.76 is: 9,319,612,856.48
Step by Step Solution
- Step 1: Write the proportion equation
21,135,906,864.24 : 31,703,869,276.69 = 6,213,073,477.76 : x - Step 2: Convert to fraction form
21,135,906,864.24/31,703,869,276.69 = 6,213,073,477.76/x - Step 3: Cross multiply
21,135,906,864.24x = 31,703,869,276.69 × 6,213,073,477.76 - Step 4: Simplify right side
21,135,906,864.24x = 196,978,469,345,372,766,208 - Step 5: Solve for x
x = 196,978,469,345,372,766,208/21,135,906,864.24 - Step 6: Final answer
x = 9,319,612,856.48
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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.