Finding the Fourth Proportional to 5,105,979,841.84, 7,661,296,902.56 and 2,620,586,118.84
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Solution
The fourth proportional to 5,105,979,841.84, 7,661,296,902.56 and 2,620,586,118.84 is: 3,932,073,556.31
Step by Step Solution
- Step 1: Write the proportion equation
5,105,979,841.84 : 7,661,296,902.56 = 2,620,586,118.84 : x - Step 2: Convert to fraction form
5,105,979,841.84/7,661,296,902.56 = 2,620,586,118.84/x - Step 3: Cross multiply
5,105,979,841.84x = 7,661,296,902.56 × 2,620,586,118.84 - Step 4: Simplify right side
5,105,979,841.84x = 20,077,088,315,160,625,152 - Step 5: Solve for x
x = 20,077,088,315,160,625,152/5,105,979,841.84 - Step 6: Final answer
x = 3,932,073,556.31
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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.