Finding the Fourth Proportional to 7,612,324,919.88, 11,419,037,716.50 and 3,186,292,953.12
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Solution
The fourth proportional to 7,612,324,919.88, 11,419,037,716.50 and 3,186,292,953.12 is: 4,779,669,784.26
Step by Step Solution
- Step 1: Write the proportion equation
7,612,324,919.88 : 11,419,037,716.50 = 3,186,292,953.12 : x - Step 2: Convert to fraction form
7,612,324,919.88/11,419,037,716.50 = 3,186,292,953.12/x - Step 3: Cross multiply
7,612,324,919.88x = 11,419,037,716.50 × 3,186,292,953.12 - Step 4: Simplify right side
7,612,324,919.88x = 36,384,399,407,495,446,528 - Step 5: Solve for x
x = 36,384,399,407,495,446,528/7,612,324,919.88 - Step 6: Final answer
x = 4,779,669,784.26
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1.5x scale
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.