Finding the Fourth Proportional to 465,102,028.05, 697,653,042.08 and 379,008,586.05
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Solution
The fourth proportional to 465,102,028.05, 697,653,042.08 and 379,008,586.05 is: 568,512,879.08
Step by Step Solution
- Step 1: Write the proportion equation
465,102,028.05 : 697,653,042.08 = 379,008,586.05 : x - Step 2: Convert to fraction form
465,102,028.05/697,653,042.08 = 379,008,586.05/x - Step 3: Cross multiply
465,102,028.05x = 697,653,042.08 × 379,008,586.05 - Step 4: Simplify right side
465,102,028.05x = 264,416,493,030,326,944 - Step 5: Solve for x
x = 264,416,493,030,326,944/465,102,028.05 - Step 6: Final answer
x = 568,512,879.08
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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.