Finding the Fourth Proportional to 664,362,068.40, 996,543,102.60 and 204,240,450.60
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Solution
The fourth proportional to 664,362,068.40, 996,543,102.60 and 204,240,450.60 is: 306,360,675.90
Step by Step Solution
- Step 1: Write the proportion equation
664,362,068.40 : 996,543,102.60 = 204,240,450.60 : x - Step 2: Convert to fraction form
664,362,068.40/996,543,102.60 = 204,240,450.60/x - Step 3: Cross multiply
664,362,068.40x = 996,543,102.60 × 204,240,450.60 - Step 4: Simplify right side
664,362,068.40x = 203,534,412,317,346,016 - Step 5: Solve for x
x = 203,534,412,317,346,016/664,362,068.40 - Step 6: Final answer
x = 306,360,675.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.