Finding the Fourth Proportional to 1,750,400,984.19, 2,415,560,586.09 and 946,628,464.18
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Solution
The fourth proportional to 1,750,400,984.19, 2,415,560,586.09 and 946,628,464.18 is: 1,306,351,189.47
Step by Step Solution
- Step 1: Write the proportion equation
1,750,400,984.19 : 2,415,560,586.09 = 946,628,464.18 : x - Step 2: Convert to fraction form
1,750,400,984.19/2,415,560,586.09 = 946,628,464.18/x - Step 3: Cross multiply
1,750,400,984.19x = 2,415,560,586.09 × 946,628,464.18 - Step 4: Simplify right side
1,750,400,984.19x = 2,286,638,407,744,117,504 - Step 5: Solve for x
x = 2,286,638,407,744,117,504/1,750,400,984.19 - Step 6: Final answer
x = 1,306,351,189.47
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.