Finding the Fourth Proportional to 898,366,840.80, 1,347,550,261.20 and 635,338,975.20
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Solution
The fourth proportional to 898,366,840.80, 1,347,550,261.20 and 635,338,975.20 is: 953,008,462.80
Step by Step Solution
- Step 1: Write the proportion equation
898,366,840.80 : 1,347,550,261.20 = 635,338,975.20 : x - Step 2: Convert to fraction form
898,366,840.80/1,347,550,261.20 = 635,338,975.20/x - Step 3: Cross multiply
898,366,840.80x = 1,347,550,261.20 × 635,338,975.20 - Step 4: Simplify right side
898,366,840.80x = 856,151,201,981,300,480 - Step 5: Solve for x
x = 856,151,201,981,300,480/898,366,840.80 - Step 6: Final answer
x = 953,008,462.80
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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.