Finding the Fourth Proportional to 8,391,634,201.44, 11,580,396,286.72 and 4,581,157,151.91
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Solution
The fourth proportional to 8,391,634,201.44, 11,580,396,286.72 and 4,581,157,151.91 is: 6,321,964,708.82
Step by Step Solution
- Step 1: Write the proportion equation
8,391,634,201.44 : 11,580,396,286.72 = 4,581,157,151.91 : x - Step 2: Convert to fraction form
8,391,634,201.44/11,580,396,286.72 = 4,581,157,151.91/x - Step 3: Cross multiply
8,391,634,201.44x = 11,580,396,286.72 × 4,581,157,151.91 - Step 4: Simplify right side
8,391,634,201.44x = 53,051,615,270,824,493,056 - Step 5: Solve for x
x = 53,051,615,270,824,493,056/8,391,634,201.44 - Step 6: Final answer
x = 6,321,964,708.82
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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.