Finding the Fourth Proportional to 401,776,201.44, 602,693,531.70 and 168,372,628.68
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Solution
The fourth proportional to 401,776,201.44, 602,693,531.70 and 168,372,628.68 is: 252,571,192.26
Step by Step Solution
- Step 1: Write the proportion equation
401,776,201.44 : 602,693,531.70 = 168,372,628.68 : x - Step 2: Convert to fraction form
401,776,201.44/602,693,531.70 = 168,372,628.68/x - Step 3: Cross multiply
401,776,201.44x = 602,693,531.70 × 168,372,628.68 - Step 4: Simplify right side
401,776,201.44x = 101,477,094,220,761,920 - Step 5: Solve for x
x = 101,477,094,220,761,920/401,776,201.44 - Step 6: Final answer
x = 252,571,192.26
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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.