Finding the Fourth Proportional to 4,415,321,912.05, 6,619,588,244.74 and 2,285,884,849.20
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Solution
The fourth proportional to 4,415,321,912.05, 6,619,588,244.74 and 2,285,884,849.20 is: 3,427,069,821.41
Step by Step Solution
- Step 1: Write the proportion equation
4,415,321,912.05 : 6,619,588,244.74 = 2,285,884,849.20 : x - Step 2: Convert to fraction form
4,415,321,912.05/6,619,588,244.74 = 2,285,884,849.20/x - Step 3: Cross multiply
4,415,321,912.05x = 6,619,588,244.74 × 2,285,884,849.20 - Step 4: Simplify right side
4,415,321,912.05x = 15,131,616,476,593,586,176 - Step 5: Solve for x
x = 15,131,616,476,593,586,176/4,415,321,912.05 - Step 6: Final answer
x = 3,427,069,821.41
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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.