Finding the Fourth Proportional to 2,695,972,408.20, 4,043,958,612.30 and 2,592,660,277.80
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Solution
The fourth proportional to 2,695,972,408.20, 4,043,958,612.30 and 2,592,660,277.80 is: 3,888,990,416.70
Step by Step Solution
- Step 1: Write the proportion equation
2,695,972,408.20 : 4,043,958,612.30 = 2,592,660,277.80 : x - Step 2: Convert to fraction form
2,695,972,408.20/4,043,958,612.30 = 2,592,660,277.80/x - Step 3: Cross multiply
2,695,972,408.20x = 4,043,958,612.30 × 2,592,660,277.80 - Step 4: Simplify right side
2,695,972,408.20x = 10,484,610,859,177,420,800 - Step 5: Solve for x
x = 10,484,610,859,177,420,800/2,695,972,408.20 - Step 6: Final answer
x = 3,888,990,416.70
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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.