Finding the Fourth Proportional to 221,297,201.70, 310,269,578.70 and 221,297,201.70
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Solution
The fourth proportional to 221,297,201.70, 310,269,578.70 and 221,297,201.70 is: 310,269,578.70
Step by Step Solution
- Step 1: Write the proportion equation
221,297,201.70 : 310,269,578.70 = 221,297,201.70 : x - Step 2: Convert to fraction form
221,297,201.70/310,269,578.70 = 221,297,201.70/x - Step 3: Cross multiply
221,297,201.70x = 310,269,578.70 × 221,297,201.70 - Step 4: Simplify right side
221,297,201.70x = 68,661,789,538,947,920 - Step 5: Solve for x
x = 68,661,789,538,947,920/221,297,201.70 - Step 6: Final answer
x = 310,269,578.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.