Finding the Fourth Proportional to 5,057,157,634.80, 7,585,736,452.20 and 2,148,734,569.20
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Solution
The fourth proportional to 5,057,157,634.80, 7,585,736,452.20 and 2,148,734,569.20 is: 3,223,101,853.80
Step by Step Solution
- Step 1: Write the proportion equation
5,057,157,634.80 : 7,585,736,452.20 = 2,148,734,569.20 : x - Step 2: Convert to fraction form
5,057,157,634.80/7,585,736,452.20 = 2,148,734,569.20/x - Step 3: Cross multiply
5,057,157,634.80x = 7,585,736,452.20 × 2,148,734,569.20 - Step 4: Simplify right side
5,057,157,634.80x = 16,299,734,147,682,701,312 - Step 5: Solve for x
x = 16,299,734,147,682,701,312/5,057,157,634.80 - Step 6: Final answer
x = 3,223,101,853.80
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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.