Finding the Fourth Proportional to 299,458,794.83, 449,120,285.69 and 135,588,371.99
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Solution
The fourth proportional to 299,458,794.83, 449,120,285.69 and 135,588,371.99 is: 203,351,811.38
Step by Step Solution
- Step 1: Write the proportion equation
299,458,794.83 : 449,120,285.69 = 135,588,371.99 : x - Step 2: Convert to fraction form
299,458,794.83/449,120,285.69 = 135,588,371.99/x - Step 3: Cross multiply
299,458,794.83x = 449,120,285.69 × 135,588,371.99 - Step 4: Simplify right side
299,458,794.83x = 60,895,488,361,467,256 - Step 5: Solve for x
x = 60,895,488,361,467,256/299,458,794.83 - Step 6: Final answer
x = 203,351,811.38
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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.