Finding the Fourth Proportional to 3,236,900,793.60, 4,855,351,190.40 and 2,420,607,417.60
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Solution
The fourth proportional to 3,236,900,793.60, 4,855,351,190.40 and 2,420,607,417.60 is: 3,630,911,126.40
Step by Step Solution
- Step 1: Write the proportion equation
3,236,900,793.60 : 4,855,351,190.40 = 2,420,607,417.60 : x - Step 2: Convert to fraction form
3,236,900,793.60/4,855,351,190.40 = 2,420,607,417.60/x - Step 3: Cross multiply
3,236,900,793.60x = 4,855,351,190.40 × 2,420,607,417.60 - Step 4: Simplify right side
3,236,900,793.60x = 11,752,899,106,535,229,440 - Step 5: Solve for x
x = 11,752,899,106,535,229,440/3,236,900,793.60 - Step 6: Final answer
x = 3,630,911,126.40
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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.