Finding the Fourth Proportional to 4,115,802,566.80, 5,679,859,198.94 and 2,236,239,238.87
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Solution
The fourth proportional to 4,115,802,566.80, 5,679,859,198.94 and 2,236,239,238.87 is: 3,086,038,216.31
Step by Step Solution
- Step 1: Write the proportion equation
4,115,802,566.80 : 5,679,859,198.94 = 2,236,239,238.87 : x - Step 2: Convert to fraction form
4,115,802,566.80/5,679,859,198.94 = 2,236,239,238.87/x - Step 3: Cross multiply
4,115,802,566.80x = 5,679,859,198.94 × 2,236,239,238.87 - Step 4: Simplify right side
4,115,802,566.80x = 12,701,524,011,926,351,872 - Step 5: Solve for x
x = 12,701,524,011,926,351,872/4,115,802,566.80 - Step 6: Final answer
x = 3,086,038,216.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.