Finding the Fourth Proportional to 7,067,568,900.12, 9,753,681,442.95 and 3,895,745,662.68
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Solution
The fourth proportional to 7,067,568,900.12, 9,753,681,442.95 and 3,895,745,662.68 is: 5,376,369,542.84
Step by Step Solution
- Step 1: Write the proportion equation
7,067,568,900.12 : 9,753,681,442.95 = 3,895,745,662.68 : x - Step 2: Convert to fraction form
7,067,568,900.12/9,753,681,442.95 = 3,895,745,662.68/x - Step 3: Cross multiply
7,067,568,900.12x = 9,753,681,442.95 × 3,895,745,662.68 - Step 4: Simplify right side
7,067,568,900.12x = 37,997,862,176,534,863,872 - Step 5: Solve for x
x = 37,997,862,176,534,863,872/7,067,568,900.12 - Step 6: Final answer
x = 5,376,369,542.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.