Finding the Fourth Proportional to 1,396,384,775.80, 2,094,577,163.70 and 1,278,475,732.60
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Solution
The fourth proportional to 1,396,384,775.80, 2,094,577,163.70 and 1,278,475,732.60 is: 1,917,713,598.90
Step by Step Solution
- Step 1: Write the proportion equation
1,396,384,775.80 : 2,094,577,163.70 = 1,278,475,732.60 : x - Step 2: Convert to fraction form
1,396,384,775.80/2,094,577,163.70 = 1,278,475,732.60/x - Step 3: Cross multiply
1,396,384,775.80x = 2,094,577,163.70 × 1,278,475,732.60 - Step 4: Simplify right side
1,396,384,775.80x = 2,677,866,073,848,587,264 - Step 5: Solve for x
x = 2,677,866,073,848,587,264/1,396,384,775.80 - Step 6: Final answer
x = 1,917,713,598.90
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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.