Finding the Fourth Proportional to 1,804,720,757.34, 2,491,330,698.81 and 1,136,647,632.18
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Solution
The fourth proportional to 1,804,720,757.34, 2,491,330,698.81 and 1,136,647,632.18 is: 1,569,087,698.62
Step by Step Solution
- Step 1: Write the proportion equation
1,804,720,757.34 : 2,491,330,698.81 = 1,136,647,632.18 : x - Step 2: Convert to fraction form
1,804,720,757.34/2,491,330,698.81 = 1,136,647,632.18/x - Step 3: Cross multiply
1,804,720,757.34x = 2,491,330,698.81 × 1,136,647,632.18 - Step 4: Simplify right side
1,804,720,757.34x = 2,831,765,139,779,731,456 - Step 5: Solve for x
x = 2,831,765,139,779,731,456/1,804,720,757.34 - Step 6: Final answer
x = 1,569,087,698.62
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1.5x scale
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.