Finding the Fourth Proportional to 3,545,857,529.90, 5,318,786,294.85 and 2,149,088,864.30
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Solution
The fourth proportional to 3,545,857,529.90, 5,318,786,294.85 and 2,149,088,864.30 is: 3,223,633,296.45
Step by Step Solution
- Step 1: Write the proportion equation
3,545,857,529.90 : 5,318,786,294.85 = 2,149,088,864.30 : x - Step 2: Convert to fraction form
3,545,857,529.90/5,318,786,294.85 = 2,149,088,864.30/x - Step 3: Cross multiply
3,545,857,529.90x = 5,318,786,294.85 × 2,149,088,864.30 - Step 4: Simplify right side
3,545,857,529.90x = 11,430,544,397,853,593,600 - Step 5: Solve for x
x = 11,430,544,397,853,593,600/3,545,857,529.90 - Step 6: Final answer
x = 3,223,633,296.45
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Double scale
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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.