Finding the Fourth Proportional to 383,865,470,390.44, 529,479,279,282.58 and 246,861,509,483.64
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Solution
The fourth proportional to 383,865,470,390.44, 529,479,279,282.58 and 246,861,509,483.64 is: 340,504,849,240.70
Step by Step Solution
- Step 1: Write the proportion equation
383,865,470,390.44 : 529,479,279,282.58 = 246,861,509,483.64 : x - Step 2: Convert to fraction form
383,865,470,390.44/529,479,279,282.58 = 246,861,509,483.64/x - Step 3: Cross multiply
383,865,470,390.44x = 529,479,279,282.58 × 246,861,509,483.64 - Step 4: Simplify right side
383,865,470,390.44x = 130,708,054,124,007,505,526,784 - Step 5: Solve for x
x = 130,708,054,124,007,505,526,784/383,865,470,390.44 - Step 6: Final answer
x = 340,504,849,240.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.