Finding the Fourth Proportional to 18,167,425,217.20, 27,251,137,825.80 and 18,167,425,217.20
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Solution
The fourth proportional to 18,167,425,217.20, 27,251,137,825.80 and 18,167,425,217.20 is: 27,251,137,825.80
Step by Step Solution
- Step 1: Write the proportion equation
18,167,425,217.20 : 27,251,137,825.80 = 18,167,425,217.20 : x - Step 2: Convert to fraction form
18,167,425,217.20/27,251,137,825.80 = 18,167,425,217.20/x - Step 3: Cross multiply
18,167,425,217.20x = 27,251,137,825.80 × 18,167,425,217.20 - Step 4: Simplify right side
18,167,425,217.20x = 495,083,008,533,831,680,000 - Step 5: Solve for x
x = 495,083,008,533,831,680,000/18,167,425,217.20 - Step 6: Final answer
x = 27,251,137,825.80
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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.