Finding the Fourth Proportional to 1,254,546,205.26, 1,882,033,697.39 and 517,213,045.95
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Solution
The fourth proportional to 1,254,546,205.26, 1,882,033,697.39 and 517,213,045.95 is: 775,907,955.50
Step by Step Solution
- Step 1: Write the proportion equation
1,254,546,205.26 : 1,882,033,697.39 = 517,213,045.95 : x - Step 2: Convert to fraction form
1,254,546,205.26/1,882,033,697.39 = 517,213,045.95/x - Step 3: Cross multiply
1,254,546,205.26x = 1,882,033,697.39 × 517,213,045.95 - Step 4: Simplify right side
1,254,546,205.26x = 973,412,381,204,210,304 - Step 5: Solve for x
x = 973,412,381,204,210,304/1,254,546,205.26 - Step 6: Final answer
x = 775,907,955.50
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Double scale
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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.