Finding the Fourth Proportional to 2,948,157,037.90, 4,422,235,556.85 and 2,289,542,206.60
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Solution
The fourth proportional to 2,948,157,037.90, 4,422,235,556.85 and 2,289,542,206.60 is: 3,434,313,309.90
Step by Step Solution
- Step 1: Write the proportion equation
2,948,157,037.90 : 4,422,235,556.85 = 2,289,542,206.60 : x - Step 2: Convert to fraction form
2,948,157,037.90/4,422,235,556.85 = 2,289,542,206.60/x - Step 3: Cross multiply
2,948,157,037.90x = 4,422,235,556.85 × 2,289,542,206.60 - Step 4: Simplify right side
2,948,157,037.90x = 10,124,894,954,935,328,768 - Step 5: Solve for x
x = 10,124,894,954,935,328,768/2,948,157,037.90 - Step 6: Final answer
x = 3,434,313,309.90
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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.