Finding the Fourth Proportional to 1,804,720,868.84, 2,491,330,852.68 and 1,136,647,743.68
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Solution
The fourth proportional to 1,804,720,868.84, 2,491,330,852.68 and 1,136,647,743.68 is: 1,569,087,852.50
Step by Step Solution
- Step 1: Write the proportion equation
1,804,720,868.84 : 2,491,330,852.68 = 1,136,647,743.68 : x - Step 2: Convert to fraction form
1,804,720,868.84/2,491,330,852.68 = 1,136,647,743.68/x - Step 3: Cross multiply
1,804,720,868.84x = 2,491,330,852.68 × 1,136,647,743.68 - Step 4: Simplify right side
1,804,720,868.84x = 2,831,765,592,459,092,480 - Step 5: Solve for x
x = 2,831,765,592,459,092,480/1,804,720,868.84 - Step 6: Final answer
x = 1,569,087,852.50
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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.