Finding the Fourth Proportional to 345,783,590.96, 517,844,292.11 and 197,782,464.15
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Solution
The fourth proportional to 345,783,590.96, 517,844,292.11 and 197,782,464.15 is: 296,198,324.10
Step by Step Solution
- Step 1: Write the proportion equation
345,783,590.96 : 517,844,292.11 = 197,782,464.15 : x - Step 2: Convert to fraction form
345,783,590.96/517,844,292.11 = 197,782,464.15/x - Step 3: Cross multiply
345,783,590.96x = 517,844,292.11 × 197,782,464.15 - Step 4: Simplify right side
345,783,590.96x = 102,420,520,141,317,280 - Step 5: Solve for x
x = 102,420,520,141,317,280/345,783,590.96 - Step 6: Final answer
x = 296,198,324.10
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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.