Finding the Fourth Proportional to 756,164,493.20, 1,134,246,739.80 and 295,949,709.20
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Solution
The fourth proportional to 756,164,493.20, 1,134,246,739.80 and 295,949,709.20 is: 443,924,563.80
Step by Step Solution
- Step 1: Write the proportion equation
756,164,493.20 : 1,134,246,739.80 = 295,949,709.20 : x - Step 2: Convert to fraction form
756,164,493.20/1,134,246,739.80 = 295,949,709.20/x - Step 3: Cross multiply
756,164,493.20x = 1,134,246,739.80 × 295,949,709.20 - Step 4: Simplify right side
756,164,493.20x = 335,679,992,804,858,048 - Step 5: Solve for x
x = 335,679,992,804,858,048/756,164,493.20 - Step 6: Final answer
x = 443,924,563.80
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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.