Finding the Fourth Proportional to 1,206,113,465.70, 1,809,170,198.55 and 1,083,669,459.30
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Solution
The fourth proportional to 1,206,113,465.70, 1,809,170,198.55 and 1,083,669,459.30 is: 1,625,504,188.95
Step by Step Solution
- Step 1: Write the proportion equation
1,206,113,465.70 : 1,809,170,198.55 = 1,083,669,459.30 : x - Step 2: Convert to fraction form
1,206,113,465.70/1,809,170,198.55 = 1,083,669,459.30/x - Step 3: Cross multiply
1,206,113,465.70x = 1,809,170,198.55 × 1,083,669,459.30 - Step 4: Simplify right side
1,206,113,465.70x = 1,960,542,490,844,352,000 - Step 5: Solve for x
x = 1,960,542,490,844,352,000/1,206,113,465.70 - Step 6: Final answer
x = 1,625,504,188.95
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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.