Finding the Fourth Proportional to 3,612,791,150.09, 4,985,247,418.53 and 2,005,313,906.93
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Solution
The fourth proportional to 3,612,791,150.09, 4,985,247,418.53 and 2,005,313,906.93 is: 2,767,108,742.95
Step by Step Solution
- Step 1: Write the proportion equation
3,612,791,150.09 : 4,985,247,418.53 = 2,005,313,906.93 : x - Step 2: Convert to fraction form
3,612,791,150.09/4,985,247,418.53 = 2,005,313,906.93/x - Step 3: Cross multiply
3,612,791,150.09x = 4,985,247,418.53 × 2,005,313,906.93 - Step 4: Simplify right side
3,612,791,150.09x = 9,996,985,977,860,962,304 - Step 5: Solve for x
x = 9,996,985,977,860,962,304/3,612,791,150.09 - Step 6: Final answer
x = 2,767,108,742.95
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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.