Finding the Fourth Proportional to 9,159,989,149.68, 12,641,324,984.19 and 6,897,937,770.24
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Solution
The fourth proportional to 9,159,989,149.68, 12,641,324,984.19 and 6,897,937,770.24 is: 9,519,560,738.49
Step by Step Solution
- Step 1: Write the proportion equation
9,159,989,149.68 : 12,641,324,984.19 = 6,897,937,770.24 : x - Step 2: Convert to fraction form
9,159,989,149.68/12,641,324,984.19 = 6,897,937,770.24/x - Step 3: Cross multiply
9,159,989,149.68x = 12,641,324,984.19 × 6,897,937,770.24 - Step 4: Simplify right side
9,159,989,149.68x = 87,199,073,074,322,767,872 - Step 5: Solve for x
x = 87,199,073,074,322,767,872/9,159,989,149.68 - Step 6: Final answer
x = 9,519,560,738.49
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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.