Finding the Fourth Proportional to 252,282,637.80, 378,423,956.70 and 252,282,637.80
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Solution
The fourth proportional to 252,282,637.80, 378,423,956.70 and 252,282,637.80 is: 378,423,956.70
Step by Step Solution
- Step 1: Write the proportion equation
252,282,637.80 : 378,423,956.70 = 252,282,637.80 : x - Step 2: Convert to fraction form
252,282,637.80/378,423,956.70 = 252,282,637.80/x - Step 3: Cross multiply
252,282,637.80x = 378,423,956.70 × 252,282,637.80 - Step 4: Simplify right side
252,282,637.80x = 95,469,794,002,988,992 - Step 5: Solve for x
x = 95,469,794,002,988,992/252,282,637.80 - Step 6: Final answer
x = 378,423,956.70
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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.