Finding the Fourth Proportional to 4,829,012,163.90, 7,243,518,245.85 and 2,969,393,816.70
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Solution
The fourth proportional to 4,829,012,163.90, 7,243,518,245.85 and 2,969,393,816.70 is: 4,454,090,725.05
Step by Step Solution
- Step 1: Write the proportion equation
4,829,012,163.90 : 7,243,518,245.85 = 2,969,393,816.70 : x - Step 2: Convert to fraction form
4,829,012,163.90/7,243,518,245.85 = 2,969,393,816.70/x - Step 3: Cross multiply
4,829,012,163.90x = 7,243,518,245.85 × 2,969,393,816.70 - Step 4: Simplify right side
4,829,012,163.90x = 21,508,858,290,380,619,776 - Step 5: Solve for x
x = 21,508,858,290,380,619,776/4,829,012,163.90 - Step 6: Final answer
x = 4,454,090,725.05
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Double scale
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Similar ratio
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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.