Finding the Fourth Proportional to 206,595,415.05, 309,893,122.58 and 206,595,415.05
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Solution
The fourth proportional to 206,595,415.05, 309,893,122.58 and 206,595,415.05 is: 309,893,122.58
Step by Step Solution
- Step 1: Write the proportion equation
206,595,415.05 : 309,893,122.58 = 206,595,415.05 : x - Step 2: Convert to fraction form
206,595,415.05/309,893,122.58 = 206,595,415.05/x - Step 3: Cross multiply
206,595,415.05x = 309,893,122.58 × 206,595,415.05 - Step 4: Simplify right side
206,595,415.05x = 64,022,498,279,522,648 - Step 5: Solve for x
x = 64,022,498,279,522,648/206,595,415.05 - Step 6: Final answer
x = 309,893,122.58
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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.