Finding the Fourth Proportional to 6,469,129,570.80, 9,703,694,356.20 and 6,215,171,631.60
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Solution
The fourth proportional to 6,469,129,570.80, 9,703,694,356.20 and 6,215,171,631.60 is: 9,322,757,447.40
Step by Step Solution
- Step 1: Write the proportion equation
6,469,129,570.80 : 9,703,694,356.20 = 6,215,171,631.60 : x - Step 2: Convert to fraction form
6,469,129,570.80/9,703,694,356.20 = 6,215,171,631.60/x - Step 3: Cross multiply
6,469,129,570.80x = 9,703,694,356.20 × 6,215,171,631.60 - Step 4: Simplify right side
6,469,129,570.80x = 60,310,125,884,371,271,680 - Step 5: Solve for x
x = 60,310,125,884,371,271,680/6,469,129,570.80 - Step 6: Final answer
x = 9,322,757,447.40
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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.