Finding the Fourth Proportional to 3,639,302,153.20, 5,458,953,229.80 and 3,496,450,812.40
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Solution
The fourth proportional to 3,639,302,153.20, 5,458,953,229.80 and 3,496,450,812.40 is: 5,244,676,218.60
Step by Step Solution
- Step 1: Write the proportion equation
3,639,302,153.20 : 5,458,953,229.80 = 3,496,450,812.40 : x - Step 2: Convert to fraction form
3,639,302,153.20/5,458,953,229.80 = 3,496,450,812.40/x - Step 3: Cross multiply
3,639,302,153.20x = 5,458,953,229.80 × 3,496,450,812.40 - Step 4: Simplify right side
3,639,302,153.20x = 19,086,961,455,187,816,448 - Step 5: Solve for x
x = 19,086,961,455,187,816,448/3,639,302,153.20 - Step 6: Final answer
x = 5,244,676,218.60
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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.