Finding the Fourth Proportional to 352,128,114.40, 528,192,171.60 and 170,393,663.20
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Solution
The fourth proportional to 352,128,114.40, 528,192,171.60 and 170,393,663.20 is: 255,590,494.80
Step by Step Solution
- Step 1: Write the proportion equation
352,128,114.40 : 528,192,171.60 = 170,393,663.20 : x - Step 2: Convert to fraction form
352,128,114.40/528,192,171.60 = 170,393,663.20/x - Step 3: Cross multiply
352,128,114.40x = 528,192,171.60 × 170,393,663.20 - Step 4: Simplify right side
352,128,114.40x = 90,000,598,992,487,008 - Step 5: Solve for x
x = 90,000,598,992,487,008/352,128,114.40 - Step 6: Final answer
x = 255,590,494.80
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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.