Finding the Fourth Proportional to 296,040,466.63, 408,539,076.20 and 163,883,670.63
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Solution
The fourth proportional to 296,040,466.63, 408,539,076.20 and 163,883,670.63 is: 226,161,254.80
Step by Step Solution
- Step 1: Write the proportion equation
296,040,466.63 : 408,539,076.20 = 163,883,670.63 : x - Step 2: Convert to fraction form
296,040,466.63/408,539,076.20 = 163,883,670.63/x - Step 3: Cross multiply
296,040,466.63x = 408,539,076.20 × 163,883,670.63 - Step 4: Simplify right side
296,040,466.63x = 66,952,883,403,445,272 - Step 5: Solve for x
x = 66,952,883,403,445,272/296,040,466.63 - Step 6: Final answer
x = 226,161,254.80
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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.