Finding the Fourth Proportional to 449,325,007.80, 673,987,511.70 and 376,765,596.60
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Solution
The fourth proportional to 449,325,007.80, 673,987,511.70 and 376,765,596.60 is: 565,148,394.90
Step by Step Solution
- Step 1: Write the proportion equation
449,325,007.80 : 673,987,511.70 = 376,765,596.60 : x - Step 2: Convert to fraction form
449,325,007.80/673,987,511.70 = 376,765,596.60/x - Step 3: Cross multiply
449,325,007.80x = 673,987,511.70 × 376,765,596.60 - Step 4: Simplify right side
449,325,007.80x = 253,935,306,946,600,000 - Step 5: Solve for x
x = 253,935,306,946,600,000/449,325,007.80 - Step 6: Final answer
x = 565,148,394.90
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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.