Finding the Fourth Proportional to 994,719,187.20, 1,492,078,780.80 and 934,203,244.80
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Solution
The fourth proportional to 994,719,187.20, 1,492,078,780.80 and 934,203,244.80 is: 1,401,304,867.20
Step by Step Solution
- Step 1: Write the proportion equation
994,719,187.20 : 1,492,078,780.80 = 934,203,244.80 : x - Step 2: Convert to fraction form
994,719,187.20/1,492,078,780.80 = 934,203,244.80/x - Step 3: Cross multiply
994,719,187.20x = 1,492,078,780.80 × 934,203,244.80 - Step 4: Simplify right side
994,719,187.20x = 1,393,904,838,520,587,776 - Step 5: Solve for x
x = 1,393,904,838,520,587,776/994,719,187.20 - Step 6: Final answer
x = 1,401,304,867.20
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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.