Finding the Fourth Proportional to 3,542,943,941.20, 5,314,415,911.80 and 2,067,569,246.80
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Solution
The fourth proportional to 3,542,943,941.20, 5,314,415,911.80 and 2,067,569,246.80 is: 3,101,353,870.20
Step by Step Solution
- Step 1: Write the proportion equation
3,542,943,941.20 : 5,314,415,911.80 = 2,067,569,246.80 : x - Step 2: Convert to fraction form
3,542,943,941.20/5,314,415,911.80 = 2,067,569,246.80/x - Step 3: Cross multiply
3,542,943,941.20x = 5,314,415,911.80 × 2,067,569,246.80 - Step 4: Simplify right side
3,542,943,941.20x = 10,987,922,903,942,260,736 - Step 5: Solve for x
x = 10,987,922,903,942,260,736/3,542,943,941.20 - Step 6: Final answer
x = 3,101,353,870.20
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1.5x scale
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.