Finding the Fourth Proportional to 265,721,205.70, 398,581,808.55 and 248,715,093.70
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Solution
The fourth proportional to 265,721,205.70, 398,581,808.55 and 248,715,093.70 is: 373,072,640.55
Step by Step Solution
- Step 1: Write the proportion equation
265,721,205.70 : 398,581,808.55 = 248,715,093.70 : x - Step 2: Convert to fraction form
265,721,205.70/398,581,808.55 = 248,715,093.70/x - Step 3: Cross multiply
265,721,205.70x = 398,581,808.55 × 248,715,093.70 - Step 4: Simplify right side
265,721,205.70x = 99,133,311,860,628,704 - Step 5: Solve for x
x = 99,133,311,860,628,704/265,721,205.70 - Step 6: Final answer
x = 373,072,640.55
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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.