Finding the Fourth Proportional to 21,325,859,462.97, 29,415,515,511.33 and 13,714,528,301.48
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Solution
The fourth proportional to 21,325,859,462.97, 29,415,515,511.33 and 13,714,528,301.48 is: 18,916,936,064.55
Step by Step Solution
- Step 1: Write the proportion equation
21,325,859,462.97 : 29,415,515,511.33 = 13,714,528,301.48 : x - Step 2: Convert to fraction form
21,325,859,462.97/29,415,515,511.33 = 13,714,528,301.48/x - Step 3: Cross multiply
21,325,859,462.97x = 29,415,515,511.33 × 13,714,528,301.48 - Step 4: Simplify right side
21,325,859,462.97x = 403,419,919,982,612,185,088 - Step 5: Solve for x
x = 403,419,919,982,612,185,088/21,325,859,462.97 - Step 6: Final answer
x = 18,916,936,064.55
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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.