Finding the Fourth Proportional to 2,235,557,891.70, 3,353,336,837.55 and 2,220,252,390.90
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Solution
The fourth proportional to 2,235,557,891.70, 3,353,336,837.55 and 2,220,252,390.90 is: 3,330,378,586.35
Step by Step Solution
- Step 1: Write the proportion equation
2,235,557,891.70 : 3,353,336,837.55 = 2,220,252,390.90 : x - Step 2: Convert to fraction form
2,235,557,891.70/3,353,336,837.55 = 2,220,252,390.90/x - Step 3: Cross multiply
2,235,557,891.70x = 3,353,336,837.55 × 2,220,252,390.90 - Step 4: Simplify right side
2,235,557,891.70x = 7,445,254,131,063,433,216 - Step 5: Solve for x
x = 7,445,254,131,063,433,216/2,235,557,891.70 - Step 6: Final answer
x = 3,330,378,586.35
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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.