Finding the Fourth Proportional to 297,980,107.70, 446,970,161.55 and 297,980,107.70
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Solution
The fourth proportional to 297,980,107.70, 446,970,161.55 and 297,980,107.70 is: 446,970,161.55
Step by Step Solution
- Step 1: Write the proportion equation
297,980,107.70 : 446,970,161.55 = 297,980,107.70 : x - Step 2: Convert to fraction form
297,980,107.70/446,970,161.55 = 297,980,107.70/x - Step 3: Cross multiply
297,980,107.70x = 446,970,161.55 × 297,980,107.70 - Step 4: Simplify right side
297,980,107.70x = 133,188,216,877,355,392 - Step 5: Solve for x
x = 133,188,216,877,355,392/297,980,107.70 - Step 6: Final answer
x = 446,970,161.55
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1.5x scale
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.