Finding the Fourth Proportional to 2,861,568,117.20, 4,292,352,175.80 and 2,843,428,264.40
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Solution
The fourth proportional to 2,861,568,117.20, 4,292,352,175.80 and 2,843,428,264.40 is: 4,265,142,396.60
Step by Step Solution
- Step 1: Write the proportion equation
2,861,568,117.20 : 4,292,352,175.80 = 2,843,428,264.40 : x - Step 2: Convert to fraction form
2,861,568,117.20/4,292,352,175.80 = 2,843,428,264.40/x - Step 3: Cross multiply
2,861,568,117.20x = 4,292,352,175.80 × 2,843,428,264.40 - Step 4: Simplify right side
2,861,568,117.20x = 12,204,995,497,428,557,824 - Step 5: Solve for x
x = 12,204,995,497,428,557,824/2,861,568,117.20 - Step 6: Final answer
x = 4,265,142,396.60
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1.5x scale
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.