Finding the Fourth Proportional to 2,125,512,077.20, 3,188,268,115.80 and 1,352,584,286.80
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Solution
The fourth proportional to 2,125,512,077.20, 3,188,268,115.80 and 1,352,584,286.80 is: 2,028,876,430.20
Step by Step Solution
- Step 1: Write the proportion equation
2,125,512,077.20 : 3,188,268,115.80 = 1,352,584,286.80 : x - Step 2: Convert to fraction form
2,125,512,077.20/3,188,268,115.80 = 1,352,584,286.80/x - Step 3: Cross multiply
2,125,512,077.20x = 3,188,268,115.80 × 1,352,584,286.80 - Step 4: Simplify right side
2,125,512,077.20x = 4,312,401,355,536,522,752 - Step 5: Solve for x
x = 4,312,401,355,536,522,752/2,125,512,077.20 - Step 6: Final answer
x = 2,028,876,430.20
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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.