Finding the Fourth Proportional to 3,345,385,226.40, 4,621,352,516.64 and 2,680,745,428.80
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Solution
The fourth proportional to 3,345,385,226.40, 4,621,352,516.64 and 2,680,745,428.80 is: 3,703,211,676.82
Step by Step Solution
- Step 1: Write the proportion equation
3,345,385,226.40 : 4,621,352,516.64 = 2,680,745,428.80 : x - Step 2: Convert to fraction form
3,345,385,226.40/4,621,352,516.64 = 2,680,745,428.80/x - Step 3: Cross multiply
3,345,385,226.40x = 4,621,352,516.64 × 2,680,745,428.80 - Step 4: Simplify right side
3,345,385,226.40x = 12,388,669,633,856,057,344 - Step 5: Solve for x
x = 12,388,669,633,856,057,344/3,345,385,226.40 - Step 6: Final answer
x = 3,703,211,676.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.