Finding the Fourth Proportional to 213,901,239,218.88, 295,190,789,244.97 and 117,560,740,518.41
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Solution
The fourth proportional to 213,901,239,218.88, 295,190,789,244.97 and 117,560,740,518.41 is: 162,237,712,621.86
Step by Step Solution
- Step 1: Write the proportion equation
213,901,239,218.88 : 295,190,789,244.97 = 117,560,740,518.41 : x - Step 2: Convert to fraction form
213,901,239,218.88/295,190,789,244.97 = 117,560,740,518.41/x - Step 3: Cross multiply
213,901,239,218.88x = 295,190,789,244.97 × 117,560,740,518.41 - Step 4: Simplify right side
213,901,239,218.88x = 34,702,847,777,852,568,371,200 - Step 5: Solve for x
x = 34,702,847,777,852,568,371,200/213,901,239,218.88 - Step 6: Final answer
x = 162,237,712,621.86
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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.