Finding the Fourth Proportional to 285,090,464,372.36, 393,458,568,696.48 and 169,347,681,293.01
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Solution
The fourth proportional to 285,090,464,372.36, 393,458,568,696.48 and 169,347,681,293.01 is: 233,719,835,001.52
Step by Step Solution
- Step 1: Write the proportion equation
285,090,464,372.36 : 393,458,568,696.48 = 169,347,681,293.01 : x - Step 2: Convert to fraction form
285,090,464,372.36/393,458,568,696.48 = 169,347,681,293.01/x - Step 3: Cross multiply
285,090,464,372.36x = 393,458,568,696.48 × 169,347,681,293.01 - Step 4: Simplify right side
285,090,464,372.36x = 66,631,296,293,615,377,055,744 - Step 5: Solve for x
x = 66,631,296,293,615,377,055,744/285,090,464,372.36 - Step 6: Final answer
x = 233,719,835,001.52
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1.5x scale
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.