Finding the Fourth Proportional to 354,699,850,489.24, 489,481,896,839.70 and 192,115,451,533.72
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Solution
The fourth proportional to 354,699,850,489.24, 489,481,896,839.70 and 192,115,451,533.72 is: 265,117,212,480.45
Step by Step Solution
- Step 1: Write the proportion equation
354,699,850,489.24 : 489,481,896,839.70 = 192,115,451,533.72 : x - Step 2: Convert to fraction form
354,699,850,489.24/489,481,896,839.70 = 192,115,451,533.72/x - Step 3: Cross multiply
354,699,850,489.24x = 489,481,896,839.70 × 192,115,451,533.72 - Step 4: Simplify right side
354,699,850,489.24x = 94,037,035,628,940,727,681,024 - Step 5: Solve for x
x = 94,037,035,628,940,727,681,024/354,699,850,489.24 - Step 6: Final answer
x = 265,117,212,480.45
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1.5x scale
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.