Finding the Fourth Proportional to 341,378,709.70, 512,068,064.55 and 341,378,709.70
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Solution
The fourth proportional to 341,378,709.70, 512,068,064.55 and 341,378,709.70 is: 512,068,064.55
Step by Step Solution
- Step 1: Write the proportion equation
341,378,709.70 : 512,068,064.55 = 341,378,709.70 : x - Step 2: Convert to fraction form
341,378,709.70/512,068,064.55 = 341,378,709.70/x - Step 3: Cross multiply
341,378,709.70x = 512,068,064.55 × 341,378,709.70 - Step 4: Simplify right side
341,378,709.70x = 174,809,135,154,655,296 - Step 5: Solve for x
x = 174,809,135,154,655,296/341,378,709.70 - Step 6: Final answer
x = 512,068,064.55
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1.5x scale
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.