Finding the Fourth Proportional to 323,520,737.80, 485,281,106.70 and 246,993,233.80
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Solution
The fourth proportional to 323,520,737.80, 485,281,106.70 and 246,993,233.80 is: 370,489,850.70
Step by Step Solution
- Step 1: Write the proportion equation
323,520,737.80 : 485,281,106.70 = 246,993,233.80 : x - Step 2: Convert to fraction form
323,520,737.80/485,281,106.70 = 246,993,233.80/x - Step 3: Cross multiply
323,520,737.80x = 485,281,106.70 × 246,993,233.80 - Step 4: Simplify right side
323,520,737.80x = 119,861,149,845,875,856 - Step 5: Solve for x
x = 119,861,149,845,875,856/323,520,737.80 - Step 6: Final answer
x = 370,489,850.70
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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.