Finding the Fourth Proportional to 449,183,489.90, 673,775,234.85 and 317,669,557.10
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Solution
The fourth proportional to 449,183,489.90, 673,775,234.85 and 317,669,557.10 is: 476,504,335.65
Step by Step Solution
- Step 1: Write the proportion equation
449,183,489.90 : 673,775,234.85 = 317,669,557.10 : x - Step 2: Convert to fraction form
449,183,489.90/673,775,234.85 = 317,669,557.10/x - Step 3: Cross multiply
449,183,489.90x = 673,775,234.85 × 317,669,557.10 - Step 4: Simplify right side
449,183,489.90x = 214,037,880,439,748,000 - Step 5: Solve for x
x = 214,037,880,439,748,000/449,183,489.90 - Step 6: Final answer
x = 476,504,335.65
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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.