Finding the Fourth Proportional to 1,151,901,198.18, 1,727,928,415.26 and 404,826,616.44
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Solution
The fourth proportional to 1,151,901,198.18, 1,727,928,415.26 and 404,826,616.44 is: 607,266,851.45
Step by Step Solution
- Step 1: Write the proportion equation
1,151,901,198.18 : 1,727,928,415.26 = 404,826,616.44 : x - Step 2: Convert to fraction form
1,151,901,198.18/1,727,928,415.26 = 404,826,616.44/x - Step 3: Cross multiply
1,151,901,198.18x = 1,727,928,415.26 × 404,826,616.44 - Step 4: Simplify right side
1,151,901,198.18x = 699,511,413,800,237,056 - Step 5: Solve for x
x = 699,511,413,800,237,056/1,151,901,198.18 - Step 6: Final answer
x = 607,266,851.45
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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.