Finding the Fourth Proportional to 3,545,857,539.90, 5,318,786,309.85 and 2,149,088,874.30
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Solution
The fourth proportional to 3,545,857,539.90, 5,318,786,309.85 and 2,149,088,874.30 is: 3,223,633,311.45
Step by Step Solution
- Step 1: Write the proportion equation
3,545,857,539.90 : 5,318,786,309.85 = 2,149,088,874.30 : x - Step 2: Convert to fraction form
3,545,857,539.90/5,318,786,309.85 = 2,149,088,874.30/x - Step 3: Cross multiply
3,545,857,539.90x = 5,318,786,309.85 × 2,149,088,874.30 - Step 4: Simplify right side
3,545,857,539.90x = 11,430,544,483,277,789,184 - Step 5: Solve for x
x = 11,430,544,483,277,789,184/3,545,857,539.90 - Step 6: Final answer
x = 3,223,633,311.45
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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.