Finding the Fourth Proportional to 329,244,885.70, 493,867,328.55 and 206,800,879.30
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Solution
The fourth proportional to 329,244,885.70, 493,867,328.55 and 206,800,879.30 is: 310,201,318.95
Step by Step Solution
- Step 1: Write the proportion equation
329,244,885.70 : 493,867,328.55 = 206,800,879.30 : x - Step 2: Convert to fraction form
329,244,885.70/493,867,328.55 = 206,800,879.30/x - Step 3: Cross multiply
329,244,885.70x = 493,867,328.55 × 206,800,879.30 - Step 4: Simplify right side
329,244,885.70x = 102,132,197,801,682,000 - Step 5: Solve for x
x = 102,132,197,801,682,000/329,244,885.70 - Step 6: Final answer
x = 310,201,318.95
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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.