Finding the Fourth Proportional to 5,148,198,063.40, 7,723,304,864.70 and 2,200,471,983.40
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Solution
The fourth proportional to 5,148,198,063.40, 7,723,304,864.70 and 2,200,471,983.40 is: 3,301,138,721.69
Step by Step Solution
- Step 1: Write the proportion equation
5,148,198,063.40 : 7,723,304,864.70 = 2,200,471,983.40 : x - Step 2: Convert to fraction form
5,148,198,063.40/7,723,304,864.70 = 2,200,471,983.40/x - Step 3: Cross multiply
5,148,198,063.40x = 7,723,304,864.70 × 2,200,471,983.40 - Step 4: Simplify right side
5,148,198,063.40x = 16,994,915,974,029,277,184 - Step 5: Solve for x
x = 16,994,915,974,029,277,184/5,148,198,063.40 - Step 6: Final answer
x = 3,301,138,721.69
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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.