Finding the Fourth Proportional to 386,396,483,649.36, 579,859,476,201.55 and 134,857,677,661.09
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Solution
The fourth proportional to 386,396,483,649.36, 579,859,476,201.55 and 134,857,677,661.09 is: 202,378,918,130.32
Step by Step Solution
- Step 1: Write the proportion equation
386,396,483,649.36 : 579,859,476,201.55 = 134,857,677,661.09 : x - Step 2: Convert to fraction form
386,396,483,649.36/579,859,476,201.55 = 134,857,677,661.09/x - Step 3: Cross multiply
386,396,483,649.36x = 579,859,476,201.55 × 134,857,677,661.09 - Step 4: Simplify right side
386,396,483,649.36x = 78,198,502,330,317,120,995,328 - Step 5: Solve for x
x = 78,198,502,330,317,120,995,328/386,396,483,649.36 - Step 6: Final answer
x = 202,378,918,130.32
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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.