Finding the Fourth Proportional to 505,203,324.70, 757,804,987.05 and 505,203,324.70
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Solution
The fourth proportional to 505,203,324.70, 757,804,987.05 and 505,203,324.70 is: 757,804,987.05
Step by Step Solution
- Step 1: Write the proportion equation
505,203,324.70 : 757,804,987.05 = 505,203,324.70 : x - Step 2: Convert to fraction form
505,203,324.70/757,804,987.05 = 505,203,324.70/x - Step 3: Cross multiply
505,203,324.70x = 757,804,987.05 × 505,203,324.70 - Step 4: Simplify right side
505,203,324.70x = 382,845,598,931,900,416 - Step 5: Solve for x
x = 382,845,598,931,900,416/505,203,324.70 - Step 6: Final answer
x = 757,804,987.05
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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.