Finding the Fourth Proportional to 5,244,075,112.84, 7,236,831,437.94 and 2,986,016,479.36
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Solution
The fourth proportional to 5,244,075,112.84, 7,236,831,437.94 and 2,986,016,479.36 is: 4,120,707,172.77
Step by Step Solution
- Step 1: Write the proportion equation
5,244,075,112.84 : 7,236,831,437.94 = 2,986,016,479.36 : x - Step 2: Convert to fraction form
5,244,075,112.84/7,236,831,437.94 = 2,986,016,479.36/x - Step 3: Cross multiply
5,244,075,112.84x = 7,236,831,437.94 × 2,986,016,479.36 - Step 4: Simplify right side
5,244,075,112.84x = 21,609,297,932,039,364,608 - Step 5: Solve for x
x = 21,609,297,932,039,364,608/5,244,075,112.84 - Step 6: Final answer
x = 4,120,707,172.77
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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.