Finding the Fourth Proportional to 3,207,257,620.18, 4,810,895,398.72 and 996,790,560.68
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Solution
The fourth proportional to 3,207,257,620.18, 4,810,895,398.72 and 996,790,560.68 is: 1,495,188,628.34
Step by Step Solution
- Step 1: Write the proportion equation
3,207,257,620.18 : 4,810,895,398.72 = 996,790,560.68 : x - Step 2: Convert to fraction form
3,207,257,620.18/4,810,895,398.72 = 996,790,560.68/x - Step 3: Cross multiply
3,207,257,620.18x = 4,810,895,398.72 × 996,790,560.68 - Step 4: Simplify right side
3,207,257,620.18x = 4,795,455,121,862,940,672 - Step 5: Solve for x
x = 4,795,455,121,862,940,672/3,207,257,620.18 - Step 6: Final answer
x = 1,495,188,628.34
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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.