Finding the Fourth Proportional to 598,766,435.70, 898,149,653.55 and 276,280,163.70
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Solution
The fourth proportional to 598,766,435.70, 898,149,653.55 and 276,280,163.70 is: 414,420,245.55
Step by Step Solution
- Step 1: Write the proportion equation
598,766,435.70 : 898,149,653.55 = 276,280,163.70 : x - Step 2: Convert to fraction form
598,766,435.70/898,149,653.55 = 276,280,163.70/x - Step 3: Cross multiply
598,766,435.70x = 898,149,653.55 × 276,280,163.70 - Step 4: Simplify right side
598,766,435.70x = 248,140,933,309,892,256 - Step 5: Solve for x
x = 248,140,933,309,892,256/598,766,435.70 - Step 6: Final answer
x = 414,420,245.55
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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.