Finding the Fourth Proportional to 827,455,388.40, 1,241,183,082.60 and 366,904,681.20
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Solution
The fourth proportional to 827,455,388.40, 1,241,183,082.60 and 366,904,681.20 is: 550,357,021.80
Step by Step Solution
- Step 1: Write the proportion equation
827,455,388.40 : 1,241,183,082.60 = 366,904,681.20 : x - Step 2: Convert to fraction form
827,455,388.40/1,241,183,082.60 = 366,904,681.20/x - Step 3: Cross multiply
827,455,388.40x = 1,241,183,082.60 × 366,904,681.20 - Step 4: Simplify right side
827,455,388.40x = 455,395,883,232,186,240 - Step 5: Solve for x
x = 455,395,883,232,186,240/827,455,388.40 - Step 6: Final answer
x = 550,357,021.80
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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.