Finding the Fourth Proportional to 7,619,046,459.68, 11,428,608,213.12 and 2,378,215,347.68
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Solution
The fourth proportional to 7,619,046,459.68, 11,428,608,213.12 and 2,378,215,347.68 is: 3,567,335,046.31
Step by Step Solution
- Step 1: Write the proportion equation
7,619,046,459.68 : 11,428,608,213.12 = 2,378,215,347.68 : x - Step 2: Convert to fraction form
7,619,046,459.68/11,428,608,213.12 = 2,378,215,347.68/x - Step 3: Cross multiply
7,619,046,459.68x = 11,428,608,213.12 × 2,378,215,347.68 - Step 4: Simplify right side
7,619,046,459.68x = 27,179,691,455,063,683,072 - Step 5: Solve for x
x = 27,179,691,455,063,683,072/7,619,046,459.68 - Step 6: Final answer
x = 3,567,335,046.31
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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.