Finding the Fourth Proportional to 1,856,483,198.92, 2,562,613,209.68 and 1,103,794,578.80
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Solution
The fourth proportional to 1,856,483,198.92, 2,562,613,209.68 and 1,103,794,578.80 is: 1,523,632,732.07
Step by Step Solution
- Step 1: Write the proportion equation
1,856,483,198.92 : 2,562,613,209.68 = 1,103,794,578.80 : x - Step 2: Convert to fraction form
1,856,483,198.92/2,562,613,209.68 = 1,103,794,578.80/x - Step 3: Cross multiply
1,856,483,198.92x = 2,562,613,209.68 × 1,103,794,578.80 - Step 4: Simplify right side
1,856,483,198.92x = 2,828,598,568,406,051,328 - Step 5: Solve for x
x = 2,828,598,568,406,051,328/1,856,483,198.92 - Step 6: Final answer
x = 1,523,632,732.07
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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.