Finding the Fourth Proportional to 417,130,940.81, 576,118,450.37 and 274,713,343.62
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Solution
The fourth proportional to 417,130,940.81, 576,118,450.37 and 274,713,343.62 is: 379,419,051.28
Step by Step Solution
- Step 1: Write the proportion equation
417,130,940.81 : 576,118,450.37 = 274,713,343.62 : x - Step 2: Convert to fraction form
417,130,940.81/576,118,450.37 = 274,713,343.62/x - Step 3: Cross multiply
417,130,940.81x = 576,118,450.37 × 274,713,343.62 - Step 4: Simplify right side
417,130,940.81x = 158,267,425,823,456,256 - Step 5: Solve for x
x = 158,267,425,823,456,256/417,130,940.81 - Step 6: Final answer
x = 379,419,051.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.