Finding the Fourth Proportional to 323,522,149.80, 485,283,224.70 and 246,994,645.80
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Solution
The fourth proportional to 323,522,149.80, 485,283,224.70 and 246,994,645.80 is: 370,491,968.70
Step by Step Solution
- Step 1: Write the proportion equation
323,522,149.80 : 485,283,224.70 = 246,994,645.80 : x - Step 2: Convert to fraction form
323,522,149.80/485,283,224.70 = 246,994,645.80/x - Step 3: Cross multiply
323,522,149.80x = 485,283,224.70 × 246,994,645.80 - Step 4: Simplify right side
323,522,149.80x = 119,862,358,197,458,320 - Step 5: Solve for x
x = 119,862,358,197,458,320/323,522,149.80 - Step 6: Final answer
x = 370,491,968.70
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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.