Finding the Fourth Proportional to 2,542,204,520.19, 3,813,318,959.14 and 771,590,619.99
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Solution
The fourth proportional to 2,542,204,520.19, 3,813,318,959.14 and 771,590,619.99 is: 1,157,389,626.41
Step by Step Solution
- Step 1: Write the proportion equation
2,542,204,520.19 : 3,813,318,959.14 = 771,590,619.99 : x - Step 2: Convert to fraction form
2,542,204,520.19/3,813,318,959.14 = 771,590,619.99/x - Step 3: Cross multiply
2,542,204,520.19x = 3,813,318,959.14 × 771,590,619.99 - Step 4: Simplify right side
2,542,204,520.19x = 2,942,321,139,881,458,176 - Step 5: Solve for x
x = 2,942,321,139,881,458,176/2,542,204,520.19 - Step 6: Final answer
x = 1,157,389,626.41
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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.