Finding the Fourth Proportional to 3,530,479,249.58, 5,295,718,874.36 and 1,980,797,293.58
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Solution
The fourth proportional to 3,530,479,249.58, 5,295,718,874.36 and 1,980,797,293.58 is: 2,971,195,940.36
Step by Step Solution
- Step 1: Write the proportion equation
3,530,479,249.58 : 5,295,718,874.36 = 1,980,797,293.58 : x - Step 2: Convert to fraction form
3,530,479,249.58/5,295,718,874.36 = 1,980,797,293.58/x - Step 3: Cross multiply
3,530,479,249.58x = 5,295,718,874.36 × 1,980,797,293.58 - Step 4: Simplify right side
3,530,479,249.58x = 10,489,745,613,871,286,272 - Step 5: Solve for x
x = 10,489,745,613,871,286,272/3,530,479,249.58 - Step 6: Final answer
x = 2,971,195,940.36
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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.