Finding the Fourth Proportional to 1,771,474,163.40, 2,657,211,245.10 and 606,555,491.40
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Solution
The fourth proportional to 1,771,474,163.40, 2,657,211,245.10 and 606,555,491.40 is: 909,833,237.10
Step by Step Solution
- Step 1: Write the proportion equation
1,771,474,163.40 : 2,657,211,245.10 = 606,555,491.40 : x - Step 2: Convert to fraction form
1,771,474,163.40/2,657,211,245.10 = 606,555,491.40/x - Step 3: Cross multiply
1,771,474,163.40x = 2,657,211,245.10 × 606,555,491.40 - Step 4: Simplify right side
1,771,474,163.40x = 1,611,746,072,525,236,224 - Step 5: Solve for x
x = 1,611,746,072,525,236,224/1,771,474,163.40 - Step 6: Final answer
x = 909,833,237.10
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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.