Finding the Fourth Proportional to 574,661,571.53, 793,032,938.54 and 310,343,539.02
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Solution
The fourth proportional to 574,661,571.53, 793,032,938.54 and 310,343,539.02 is: 428,274,067.55
Step by Step Solution
- Step 1: Write the proportion equation
574,661,571.53 : 793,032,938.54 = 310,343,539.02 : x - Step 2: Convert to fraction form
574,661,571.53/793,032,938.54 = 310,343,539.02/x - Step 3: Cross multiply
574,661,571.53x = 793,032,938.54 × 310,343,539.02 - Step 4: Simplify right side
574,661,571.53x = 246,112,648,704,382,016 - Step 5: Solve for x
x = 246,112,648,704,382,016/574,661,571.53 - Step 6: Final answer
x = 428,274,067.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.