Finding the Fourth Proportional to 498,204,523.80, 747,306,785.70 and 221,855,203.80
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Solution
The fourth proportional to 498,204,523.80, 747,306,785.70 and 221,855,203.80 is: 332,782,805.70
Step by Step Solution
- Step 1: Write the proportion equation
498,204,523.80 : 747,306,785.70 = 221,855,203.80 : x - Step 2: Convert to fraction form
498,204,523.80/747,306,785.70 = 221,855,203.80/x - Step 3: Cross multiply
498,204,523.80x = 747,306,785.70 × 221,855,203.80 - Step 4: Simplify right side
498,204,523.80x = 165,793,899,242,596,448 - Step 5: Solve for x
x = 165,793,899,242,596,448/498,204,523.80 - Step 6: Final answer
x = 332,782,805.70
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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.