Finding the Fourth Proportional to 504,247,580.20, 756,449,573.82 and 213,115,928.68
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Solution
The fourth proportional to 504,247,580.20, 756,449,573.82 and 213,115,928.68 is: 319,706,945.07
Step by Step Solution
- Step 1: Write the proportion equation
504,247,580.20 : 756,449,573.82 = 213,115,928.68 : x - Step 2: Convert to fraction form
504,247,580.20/756,449,573.82 = 213,115,928.68/x - Step 3: Cross multiply
504,247,580.20x = 756,449,573.82 × 213,115,928.68 - Step 4: Simplify right side
504,247,580.20x = 161,211,453,424,239,520 - Step 5: Solve for x
x = 161,211,453,424,239,520/504,247,580.20 - Step 6: Final answer
x = 319,706,945.07
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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.