Finding the Fourth Proportional to 774,480,359.80, 1,068,751,798.26 and 422,048,839
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Solution
The fourth proportional to 774,480,359.80, 1,068,751,798.26 and 422,048,839 is: 582,410,450.99
Step by Step Solution
- Step 1: Write the proportion equation
774,480,359.80 : 1,068,751,798.26 = 422,048,839 : x - Step 2: Convert to fraction form
774,480,359.80/1,068,751,798.26 = 422,048,839/x - Step 3: Cross multiply
774,480,359.80x = 1,068,751,798.26 × 422,048,839 - Step 4: Simplify right side
774,480,359.80x = 451,065,455,634,795,200 - Step 5: Solve for x
x = 451,065,455,634,795,200/774,480,359.80 - Step 6: Final answer
x = 582,410,450.99
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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.