Finding the Fourth Proportional to 354,336,110.20, 531,504,165.30 and 325,670,663.80
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Solution
The fourth proportional to 354,336,110.20, 531,504,165.30 and 325,670,663.80 is: 488,505,995.70
Step by Step Solution
- Step 1: Write the proportion equation
354,336,110.20 : 531,504,165.30 = 325,670,663.80 : x - Step 2: Convert to fraction form
354,336,110.20/531,504,165.30 = 325,670,663.80/x - Step 3: Cross multiply
354,336,110.20x = 531,504,165.30 × 325,670,663.80 - Step 4: Simplify right side
354,336,110.20x = 173,095,314,325,715,936 - Step 5: Solve for x
x = 173,095,314,325,715,936/354,336,110.20 - Step 6: Final answer
x = 488,505,995.70
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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.