Finding the Fourth Proportional to 4,115,802,566.98, 5,679,859,199.20 and 2,236,239,239.05
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Solution
The fourth proportional to 4,115,802,566.98, 5,679,859,199.20 and 2,236,239,239.05 is: 3,086,038,216.56
Step by Step Solution
- Step 1: Write the proportion equation
4,115,802,566.98 : 5,679,859,199.20 = 2,236,239,239.05 : x - Step 2: Convert to fraction form
4,115,802,566.98/5,679,859,199.20 = 2,236,239,239.05/x - Step 3: Cross multiply
4,115,802,566.98x = 5,679,859,199.20 × 2,236,239,239.05 - Step 4: Simplify right side
4,115,802,566.98x = 12,701,524,013,530,150,912 - Step 5: Solve for x
x = 12,701,524,013,530,150,912/4,115,802,566.98 - Step 6: Final answer
x = 3,086,038,216.56
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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.