Finding the Fourth Proportional to 2,205,433,148.70, 3,308,149,723.05 and 2,192,519,132.40
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Solution
The fourth proportional to 2,205,433,148.70, 3,308,149,723.05 and 2,192,519,132.40 is: 3,288,778,698.60
Step by Step Solution
- Step 1: Write the proportion equation
2,205,433,148.70 : 3,308,149,723.05 = 2,192,519,132.40 : x - Step 2: Convert to fraction form
2,205,433,148.70/3,308,149,723.05 = 2,192,519,132.40/x - Step 3: Cross multiply
2,205,433,148.70x = 3,308,149,723.05 × 2,192,519,132.40 - Step 4: Simplify right side
2,205,433,148.70x = 7,253,181,560,630,887,424 - Step 5: Solve for x
x = 7,253,181,560,630,887,424/2,205,433,148.70 - Step 6: Final answer
x = 3,288,778,698.60
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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.