Finding the Fourth Proportional to 696,295,914.26, 1,044,451,153.30 and 205,018,485.62
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Solution
The fourth proportional to 696,295,914.26, 1,044,451,153.30 and 205,018,485.62 is: 307,529,872.53
Step by Step Solution
- Step 1: Write the proportion equation
696,295,914.26 : 1,044,451,153.30 = 205,018,485.62 : x - Step 2: Convert to fraction form
696,295,914.26/1,044,451,153.30 = 205,018,485.62/x - Step 3: Cross multiply
696,295,914.26x = 1,044,451,153.30 × 205,018,485.62 - Step 4: Simplify right side
696,295,914.26x = 214,131,793,753,628,448 - Step 5: Solve for x
x = 214,131,793,753,628,448/696,295,914.26 - Step 6: Final answer
x = 307,529,872.53
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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.