Finding the Fourth Proportional to 2,775,719,691.68, 4,163,871,453.14 and 810,578,288.30
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Solution
The fourth proportional to 2,775,719,691.68, 4,163,871,453.14 and 810,578,288.30 is: 1,215,952,678.97
Step by Step Solution
- Step 1: Write the proportion equation
2,775,719,691.68 : 4,163,871,453.14 = 810,578,288.30 : x - Step 2: Convert to fraction form
2,775,719,691.68/4,163,871,453.14 = 810,578,288.30/x - Step 3: Cross multiply
2,775,719,691.68x = 4,163,871,453.14 × 810,578,288.30 - Step 4: Simplify right side
2,775,719,691.68x = 3,375,143,795,168,661,504 - Step 5: Solve for x
x = 3,375,143,795,168,661,504/2,775,719,691.68 - Step 6: Final answer
x = 1,215,952,678.97
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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.