Finding the Fourth Proportional to 417,168,418.70, 585,245,109.70 and 417,168,418.70
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Solution
The fourth proportional to 417,168,418.70, 585,245,109.70 and 417,168,418.70 is: 585,245,109.70
Step by Step Solution
- Step 1: Write the proportion equation
417,168,418.70 : 585,245,109.70 = 417,168,418.70 : x - Step 2: Convert to fraction form
417,168,418.70/585,245,109.70 = 417,168,418.70/x - Step 3: Cross multiply
417,168,418.70x = 585,245,109.70 × 417,168,418.70 - Step 4: Simplify right side
417,168,418.70x = 244,145,776,965,457,056 - Step 5: Solve for x
x = 244,145,776,965,457,056/417,168,418.70 - Step 6: Final answer
x = 585,245,109.70
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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.