Finding the Fourth Proportional to 848,163,403,448.79, 1,272,151,125,238.70 and 303,590,151,558.26
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Solution
The fourth proportional to 848,163,403,448.79, 1,272,151,125,238.70 and 303,590,151,558.26 is: 455,351,588,321.09
Step by Step Solution
- Step 1: Write the proportion equation
848,163,403,448.79 : 1,272,151,125,238.70 = 303,590,151,558.26 : x - Step 2: Convert to fraction form
848,163,403,448.79/1,272,151,125,238.70 = 303,590,151,558.26/x - Step 3: Cross multiply
848,163,403,448.79x = 1,272,151,125,238.70 × 303,590,151,558.26 - Step 4: Simplify right side
848,163,403,448.79x = 386,212,552,916,227,923,640,320 - Step 5: Solve for x
x = 386,212,552,916,227,923,640,320/848,163,403,448.79 - Step 6: Final answer
x = 455,351,588,321.09
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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.