Finding the Fourth Proportional to 3,012,110,155.80, 4,518,165,233.70 and 2,093,780,107.80
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Solution
The fourth proportional to 3,012,110,155.80, 4,518,165,233.70 and 2,093,780,107.80 is: 3,140,670,161.70
Step by Step Solution
- Step 1: Write the proportion equation
3,012,110,155.80 : 4,518,165,233.70 = 2,093,780,107.80 : x - Step 2: Convert to fraction form
3,012,110,155.80/4,518,165,233.70 = 2,093,780,107.80/x - Step 3: Cross multiply
3,012,110,155.80x = 4,518,165,233.70 × 2,093,780,107.80 - Step 4: Simplify right side
3,012,110,155.80x = 9,460,044,490,074,597,376 - Step 5: Solve for x
x = 9,460,044,490,074,597,376/3,012,110,155.80 - Step 6: Final answer
x = 3,140,670,161.70
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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.