Finding the Fourth Proportional to 198,171,497.70, 297,257,246.55 and 198,171,497.70
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Solution
The fourth proportional to 198,171,497.70, 297,257,246.55 and 198,171,497.70 is: 297,257,246.55
Step by Step Solution
- Step 1: Write the proportion equation
198,171,497.70 : 297,257,246.55 = 198,171,497.70 : x - Step 2: Convert to fraction form
198,171,497.70/297,257,246.55 = 198,171,497.70/x - Step 3: Cross multiply
198,171,497.70x = 297,257,246.55 × 198,171,497.70 - Step 4: Simplify right side
198,171,497.70x = 58,907,913,750,991,656 - Step 5: Solve for x
x = 58,907,913,750,991,656/198,171,497.70 - Step 6: Final answer
x = 297,257,246.55
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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.