Finding the Fourth Proportional to 739,621,441.33, 1,020,694,111.04 and 422,075,365.11
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Solution
The fourth proportional to 739,621,441.33, 1,020,694,111.04 and 422,075,365.11 is: 582,473,432.37
Step by Step Solution
- Step 1: Write the proportion equation
739,621,441.33 : 1,020,694,111.04 = 422,075,365.11 : x - Step 2: Convert to fraction form
739,621,441.33/1,020,694,111.04 = 422,075,365.11/x - Step 3: Cross multiply
739,621,441.33x = 1,020,694,111.04 × 422,075,365.11 - Step 4: Simplify right side
739,621,441.33x = 430,809,839,583,890,112 - Step 5: Solve for x
x = 430,809,839,583,890,112/739,621,441.33 - Step 6: Final answer
x = 582,473,432.37
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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.