Finding the Fourth Proportional to 198,239,246.40, 297,358,869.60 and 198,239,246.40
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Solution
The fourth proportional to 198,239,246.40, 297,358,869.60 and 198,239,246.40 is: 297,358,869.60
Step by Step Solution
- Step 1: Write the proportion equation
198,239,246.40 : 297,358,869.60 = 198,239,246.40 : x - Step 2: Convert to fraction form
198,239,246.40/297,358,869.60 = 198,239,246.40/x - Step 3: Cross multiply
198,239,246.40x = 297,358,869.60 × 198,239,246.40 - Step 4: Simplify right side
198,239,246.40x = 58,948,198,219,859,872 - Step 5: Solve for x
x = 58,948,198,219,859,872/198,239,246.40 - Step 6: Final answer
x = 297,358,869.60
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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.