Finding the Fourth Proportional to 2,133,078,150.36, 2,943,652,168.56 and 1,193,296,486.38
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Solution
The fourth proportional to 2,133,078,150.36, 2,943,652,168.56 and 1,193,296,486.38 is: 1,646,751,568.51
Step by Step Solution
- Step 1: Write the proportion equation
2,133,078,150.36 : 2,943,652,168.56 = 1,193,296,486.38 : x - Step 2: Convert to fraction form
2,133,078,150.36/2,943,652,168.56 = 1,193,296,486.38/x - Step 3: Cross multiply
2,133,078,150.36x = 2,943,652,168.56 × 1,193,296,486.38 - Step 4: Simplify right side
2,133,078,150.36x = 3,512,649,789,867,515,904 - Step 5: Solve for x
x = 3,512,649,789,867,515,904/2,133,078,150.36 - Step 6: Final answer
x = 1,646,751,568.51
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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.