Finding the Fourth Proportional to 445,864,226.10, 668,557,190.70 and 186,786,738.60
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Solution
The fourth proportional to 445,864,226.10, 668,557,190.70 and 186,786,738.60 is: 280,079,920.99
Step by Step Solution
- Step 1: Write the proportion equation
445,864,226.10 : 668,557,190.70 = 186,786,738.60 : x - Step 2: Convert to fraction form
445,864,226.10/668,557,190.70 = 186,786,738.60/x - Step 3: Cross multiply
445,864,226.10x = 668,557,190.70 × 186,786,738.60 - Step 4: Simplify right side
445,864,226.10x = 124,877,617,218,431,248 - Step 5: Solve for x
x = 124,877,617,218,431,248/445,864,226.10 - Step 6: Final answer
x = 280,079,920.99
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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.