Finding the Fourth Proportional to 1,804,720,870.84, 2,491,330,855.44 and 1,136,647,745.68
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Solution
The fourth proportional to 1,804,720,870.84, 2,491,330,855.44 and 1,136,647,745.68 is: 1,569,087,855.27
Step by Step Solution
- Step 1: Write the proportion equation
1,804,720,870.84 : 2,491,330,855.44 = 1,136,647,745.68 : x - Step 2: Convert to fraction form
1,804,720,870.84/2,491,330,855.44 = 1,136,647,745.68/x - Step 3: Cross multiply
1,804,720,870.84x = 2,491,330,855.44 × 1,136,647,745.68 - Step 4: Simplify right side
1,804,720,870.84x = 2,831,765,600,578,902,016 - Step 5: Solve for x
x = 2,831,765,600,578,902,016/1,804,720,870.84 - Step 6: Final answer
x = 1,569,087,855.27
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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.