Finding the Fourth Proportional to 4,542,401,144.40, 6,814,239,445.80 and 1,436,659,940.40
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Solution
The fourth proportional to 4,542,401,144.40, 6,814,239,445.80 and 1,436,659,940.40 is: 2,155,191,610.09
Step by Step Solution
- Step 1: Write the proportion equation
4,542,401,144.40 : 6,814,239,445.80 = 1,436,659,940.40 : x - Step 2: Convert to fraction form
4,542,401,144.40/6,814,239,445.80 = 1,436,659,940.40/x - Step 3: Cross multiply
4,542,401,144.40x = 6,814,239,445.80 × 1,436,659,940.40 - Step 4: Simplify right side
4,542,401,144.40x = 9,789,744,836,074,358,784 - Step 5: Solve for x
x = 9,789,744,836,074,358,784/4,542,401,144.40 - Step 6: Final answer
x = 2,155,191,610.09
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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.