Finding the Fourth Proportional to 8,078,882,117.85, 12,119,534,867.12 and 2,837,566,517.85
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Solution
The fourth proportional to 8,078,882,117.85, 12,119,534,867.12 and 2,837,566,517.85 is: 4,256,775,361.89
Step by Step Solution
- Step 1: Write the proportion equation
8,078,882,117.85 : 12,119,534,867.12 = 2,837,566,517.85 : x - Step 2: Convert to fraction form
8,078,882,117.85/12,119,534,867.12 = 2,837,566,517.85/x - Step 3: Cross multiply
8,078,882,117.85x = 12,119,534,867.12 × 2,837,566,517.85 - Step 4: Simplify right side
8,078,882,117.85x = 34,389,986,350,841,171,968 - Step 5: Solve for x
x = 34,389,986,350,841,171,968/8,078,882,117.85 - Step 6: Final answer
x = 4,256,775,361.89
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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.