Finding the Fourth Proportional to 268,890,163.70, 403,335,245.55 and 266,339,246.90
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Solution
The fourth proportional to 268,890,163.70, 403,335,245.55 and 266,339,246.90 is: 399,508,870.35
Step by Step Solution
- Step 1: Write the proportion equation
268,890,163.70 : 403,335,245.55 = 266,339,246.90 : x - Step 2: Convert to fraction form
268,890,163.70/403,335,245.55 = 266,339,246.90/x - Step 3: Cross multiply
268,890,163.70x = 403,335,245.55 × 266,339,246.90 - Step 4: Simplify right side
268,890,163.70x = 107,424,005,548,013,584 - Step 5: Solve for x
x = 107,424,005,548,013,584/268,890,163.70 - Step 6: Final answer
x = 399,508,870.35
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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.