Finding the Fourth Proportional to 4,962,849,902.40, 7,444,274,853.60 and 4,420,461,217.80
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Solution
The fourth proportional to 4,962,849,902.40, 7,444,274,853.60 and 4,420,461,217.80 is: 6,630,691,826.70
Step by Step Solution
- Step 1: Write the proportion equation
4,962,849,902.40 : 7,444,274,853.60 = 4,420,461,217.80 : x - Step 2: Convert to fraction form
4,962,849,902.40/7,444,274,853.60 = 4,420,461,217.80/x - Step 3: Cross multiply
4,962,849,902.40x = 7,444,274,853.60 × 4,420,461,217.80 - Step 4: Simplify right side
4,962,849,902.40x = 32,907,128,284,982,575,104 - Step 5: Solve for x
x = 32,907,128,284,982,575,104/4,962,849,902.40 - Step 6: Final answer
x = 6,630,691,826.70
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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.