Finding the Fourth Proportional to 4,285,573,686.74, 6,429,188,375.60 and 1,629,423,243.49
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Solution
The fourth proportional to 4,285,573,686.74, 6,429,188,375.60 and 1,629,423,243.49 is: 2,444,449,621.39
Step by Step Solution
- Step 1: Write the proportion equation
4,285,573,686.74 : 6,429,188,375.60 = 1,629,423,243.49 : x - Step 2: Convert to fraction form
4,285,573,686.74/6,429,188,375.60 = 1,629,423,243.49/x - Step 3: Cross multiply
4,285,573,686.74x = 6,429,188,375.60 × 1,629,423,243.49 - Step 4: Simplify right side
4,285,573,686.74x = 10,475,868,975,978,356,736 - Step 5: Solve for x
x = 10,475,868,975,978,356,736/4,285,573,686.74 - Step 6: Final answer
x = 2,444,449,621.39
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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.