Finding the Fourth Proportional to 386,745,858.75, 580,134,796.97 and 114,116,625.75
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Solution
The fourth proportional to 386,745,858.75, 580,134,796.97 and 114,116,625.75 is: 171,179,662.33
Step by Step Solution
- Step 1: Write the proportion equation
386,745,858.75 : 580,134,796.97 = 114,116,625.75 : x - Step 2: Convert to fraction form
386,745,858.75/580,134,796.97 = 114,116,625.75/x - Step 3: Cross multiply
386,745,858.75x = 580,134,796.97 × 114,116,625.75 - Step 4: Simplify right side
386,745,858.75x = 66,203,025,509,807,144 - Step 5: Solve for x
x = 66,203,025,509,807,144/386,745,858.75 - Step 6: Final answer
x = 171,179,662.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.