Finding the Fourth Proportional to 2,348,512,138.70, 3,522,768,208.05 and 712,734,116.30
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Solution
The fourth proportional to 2,348,512,138.70, 3,522,768,208.05 and 712,734,116.30 is: 1,069,101,174.45
Step by Step Solution
- Step 1: Write the proportion equation
2,348,512,138.70 : 3,522,768,208.05 = 712,734,116.30 : x - Step 2: Convert to fraction form
2,348,512,138.70/3,522,768,208.05 = 712,734,116.30/x - Step 3: Cross multiply
2,348,512,138.70x = 3,522,768,208.05 × 712,734,116.30 - Step 4: Simplify right side
2,348,512,138.70x = 2,510,797,085,694,251,520 - Step 5: Solve for x
x = 2,510,797,085,694,251,520/2,348,512,138.70 - Step 6: Final answer
x = 1,069,101,174.45
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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.