Finding the Fourth Proportional to 8,221,125,431.97, 11,345,164,294.86 and 4,461,936,048.09
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Solution
The fourth proportional to 8,221,125,431.97, 11,345,164,294.86 and 4,461,936,048.09 is: 6,157,477,824.37
Step by Step Solution
- Step 1: Write the proportion equation
8,221,125,431.97 : 11,345,164,294.86 = 4,461,936,048.09 : x - Step 2: Convert to fraction form
8,221,125,431.97/11,345,164,294.86 = 4,461,936,048.09/x - Step 3: Cross multiply
8,221,125,431.97x = 11,345,164,294.86 × 4,461,936,048.09 - Step 4: Simplify right side
8,221,125,431.97x = 50,621,397,538,739,404,800 - Step 5: Solve for x
x = 50,621,397,538,739,404,800/8,221,125,431.97 - Step 6: Final answer
x = 6,157,477,824.37
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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.