Finding the Fourth Proportional to 641,202,235.02, 962,425,302.12 and 309,442,718.07
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Solution
The fourth proportional to 641,202,235.02, 962,425,302.12 and 309,442,718.07 is: 464,464,228.54
Step by Step Solution
- Step 1: Write the proportion equation
641,202,235.02 : 962,425,302.12 = 309,442,718.07 : x - Step 2: Convert to fraction form
641,202,235.02/962,425,302.12 = 309,442,718.07/x - Step 3: Cross multiply
641,202,235.02x = 962,425,302.12 × 309,442,718.07 - Step 4: Simplify right side
641,202,235.02x = 297,815,501,427,353,728 - Step 5: Solve for x
x = 297,815,501,427,353,728/641,202,235.02 - Step 6: Final answer
x = 464,464,228.54
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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.