Finding the Fourth Proportional to 1,977,295,092.40, 2,965,942,638.60 and 1,519,543,745.20
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Solution
The fourth proportional to 1,977,295,092.40, 2,965,942,638.60 and 1,519,543,745.20 is: 2,279,315,617.80
Step by Step Solution
- Step 1: Write the proportion equation
1,977,295,092.40 : 2,965,942,638.60 = 1,519,543,745.20 : x - Step 2: Convert to fraction form
1,977,295,092.40/2,965,942,638.60 = 1,519,543,745.20/x - Step 3: Cross multiply
1,977,295,092.40x = 2,965,942,638.60 × 1,519,543,745.20 - Step 4: Simplify right side
1,977,295,092.40x = 4,506,879,585,106,614,272 - Step 5: Solve for x
x = 4,506,879,585,106,614,272/1,977,295,092.40 - Step 6: Final answer
x = 2,279,315,617.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.