Finding the Fourth Proportional to 297,310,297.80, 445,965,446.70 and 297,310,297.80
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Solution
The fourth proportional to 297,310,297.80, 445,965,446.70 and 297,310,297.80 is: 445,965,446.70
Step by Step Solution
- Step 1: Write the proportion equation
297,310,297.80 : 445,965,446.70 = 297,310,297.80 : x - Step 2: Convert to fraction form
297,310,297.80/445,965,446.70 = 297,310,297.80/x - Step 3: Cross multiply
297,310,297.80x = 445,965,446.70 × 297,310,297.80 - Step 4: Simplify right side
297,310,297.80x = 132,590,119,766,887,024 - Step 5: Solve for x
x = 132,590,119,766,887,024/297,310,297.80 - Step 6: Final answer
x = 445,965,446.70
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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.