Finding the Fourth Proportional to 2,080,519,174.82, 3,120,301,207.09 and 1,240,399,636.67
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Solution
The fourth proportional to 2,080,519,174.82, 3,120,301,207.09 and 1,240,399,636.67 is: 1,860,314,737.98
Step by Step Solution
- Step 1: Write the proportion equation
2,080,519,174.82 : 3,120,301,207.09 = 1,240,399,636.67 : x - Step 2: Convert to fraction form
2,080,519,174.82/3,120,301,207.09 = 1,240,399,636.67/x - Step 3: Cross multiply
2,080,519,174.82x = 3,120,301,207.09 × 1,240,399,636.67 - Step 4: Simplify right side
2,080,519,174.82x = 3,870,420,483,575,398,912 - Step 5: Solve for x
x = 3,870,420,483,575,398,912/2,080,519,174.82 - Step 6: Final answer
x = 1,860,314,737.98
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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.