Finding the Fourth Proportional to 641,202,246.09, 962,425,318.74 and 309,442,729.13
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Solution
The fourth proportional to 641,202,246.09, 962,425,318.74 and 309,442,729.13 is: 464,464,245.14
Step by Step Solution
- Step 1: Write the proportion equation
641,202,246.09 : 962,425,318.74 = 309,442,729.13 : x - Step 2: Convert to fraction form
641,202,246.09/962,425,318.74 = 309,442,729.13/x - Step 3: Cross multiply
641,202,246.09x = 962,425,318.74 × 309,442,729.13 - Step 4: Simplify right side
641,202,246.09x = 297,815,517,209,903,616 - Step 5: Solve for x
x = 297,815,517,209,903,616/641,202,246.09 - Step 6: Final answer
x = 464,464,245.14
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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.