Finding the Fourth Proportional to 449,078,756.80, 673,618,135.20 and 203,553,014.80
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Solution
The fourth proportional to 449,078,756.80, 673,618,135.20 and 203,553,014.80 is: 305,329,522.20
Step by Step Solution
- Step 1: Write the proportion equation
449,078,756.80 : 673,618,135.20 = 203,553,014.80 : x - Step 2: Convert to fraction form
449,078,756.80/673,618,135.20 = 203,553,014.80/x - Step 3: Cross multiply
449,078,756.80x = 673,618,135.20 × 203,553,014.80 - Step 4: Simplify right side
449,078,756.80x = 137,117,002,243,914,016 - Step 5: Solve for x
x = 137,117,002,243,914,016/449,078,756.80 - Step 6: Final answer
x = 305,329,522.20
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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.