Finding the Fourth Proportional to 774,480,364.80, 1,068,751,805.16 and 422,048,844
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Solution
The fourth proportional to 774,480,364.80, 1,068,751,805.16 and 422,048,844 is: 582,410,457.89
Step by Step Solution
- Step 1: Write the proportion equation
774,480,364.80 : 1,068,751,805.16 = 422,048,844 : x - Step 2: Convert to fraction form
774,480,364.80/1,068,751,805.16 = 422,048,844/x - Step 3: Cross multiply
774,480,364.80x = 1,068,751,805.16 × 422,048,844 - Step 4: Simplify right side
774,480,364.80x = 451,065,463,890,691,200 - Step 5: Solve for x
x = 451,065,463,890,691,200/774,480,364.80 - Step 6: Final answer
x = 582,410,457.89
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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.