Finding the Fourth Proportional to 734,088,109.20, 1,101,132,163.80 and 515,984,722.80
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Solution
The fourth proportional to 734,088,109.20, 1,101,132,163.80 and 515,984,722.80 is: 773,977,084.20
Step by Step Solution
- Step 1: Write the proportion equation
734,088,109.20 : 1,101,132,163.80 = 515,984,722.80 : x - Step 2: Convert to fraction form
734,088,109.20/1,101,132,163.80 = 515,984,722.80/x - Step 3: Cross multiply
734,088,109.20x = 1,101,132,163.80 × 515,984,722.80 - Step 4: Simplify right side
734,088,109.20x = 568,167,374,304,507,200 - Step 5: Solve for x
x = 568,167,374,304,507,200/734,088,109.20 - Step 6: Final answer
x = 773,977,084.20
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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.