Finding the Fourth Proportional to 215,703,553.80, 323,555,330.70 and 179,831,286.30
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Solution
The fourth proportional to 215,703,553.80, 323,555,330.70 and 179,831,286.30 is: 269,746,929.45
Step by Step Solution
- Step 1: Write the proportion equation
215,703,553.80 : 323,555,330.70 = 179,831,286.30 : x - Step 2: Convert to fraction form
215,703,553.80/323,555,330.70 = 179,831,286.30/x - Step 3: Cross multiply
215,703,553.80x = 323,555,330.70 × 179,831,286.30 - Step 4: Simplify right side
215,703,553.80x = 58,185,371,309,002,880 - Step 5: Solve for x
x = 58,185,371,309,002,880/215,703,553.80 - Step 6: Final answer
x = 269,746,929.45
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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.