Finding the Fourth Proportional to 2,470,492,711.30, 3,705,739,066.95 and 834,693,693.70
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Solution
The fourth proportional to 2,470,492,711.30, 3,705,739,066.95 and 834,693,693.70 is: 1,252,040,540.55
Step by Step Solution
- Step 1: Write the proportion equation
2,470,492,711.30 : 3,705,739,066.95 = 834,693,693.70 : x - Step 2: Convert to fraction form
2,470,492,711.30/3,705,739,066.95 = 834,693,693.70/x - Step 3: Cross multiply
2,470,492,711.30x = 3,705,739,066.95 × 834,693,693.70 - Step 4: Simplify right side
2,470,492,711.30x = 3,093,157,029,680,887,296 - Step 5: Solve for x
x = 3,093,157,029,680,887,296/2,470,492,711.30 - Step 6: Final answer
x = 1,252,040,540.55
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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.