Finding the Fourth Proportional to 3,419,463,534.80, 5,129,195,302.20 and 2,331,072,366.80
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Solution
The fourth proportional to 3,419,463,534.80, 5,129,195,302.20 and 2,331,072,366.80 is: 3,496,608,550.20
Step by Step Solution
- Step 1: Write the proportion equation
3,419,463,534.80 : 5,129,195,302.20 = 2,331,072,366.80 : x - Step 2: Convert to fraction form
3,419,463,534.80/5,129,195,302.20 = 2,331,072,366.80/x - Step 3: Cross multiply
3,419,463,534.80x = 5,129,195,302.20 × 2,331,072,366.80 - Step 4: Simplify right side
3,419,463,534.80x = 11,956,525,432,878,796,800 - Step 5: Solve for x
x = 11,956,525,432,878,796,800/3,419,463,534.80 - Step 6: Final answer
x = 3,496,608,550.20
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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.