Finding the Fourth Proportional to 264,943,139.70, 397,414,709.55 and 253,038,861.30
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Solution
The fourth proportional to 264,943,139.70, 397,414,709.55 and 253,038,861.30 is: 379,558,291.95
Step by Step Solution
- Step 1: Write the proportion equation
264,943,139.70 : 397,414,709.55 = 253,038,861.30 : x - Step 2: Convert to fraction form
264,943,139.70/397,414,709.55 = 253,038,861.30/x - Step 3: Cross multiply
264,943,139.70x = 397,414,709.55 × 253,038,861.30 - Step 4: Simplify right side
264,943,139.70x = 100,561,365,568,402,240 - Step 5: Solve for x
x = 100,561,365,568,402,240/264,943,139.70 - Step 6: Final answer
x = 379,558,291.95
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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.