Finding the Fourth Proportional to 236,409,163,791.11, 326,244,960,646.70 and 128,022,447,985.58
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Solution
The fourth proportional to 236,409,163,791.11, 326,244,960,646.70 and 128,022,447,985.58 is: 176,671,148,593.27
Step by Step Solution
- Step 1: Write the proportion equation
236,409,163,791.11 : 326,244,960,646.70 = 128,022,447,985.58 : x - Step 2: Convert to fraction form
236,409,163,791.11/326,244,960,646.70 = 128,022,447,985.58/x - Step 3: Cross multiply
236,409,163,791.11x = 326,244,960,646.70 × 128,022,447,985.58 - Step 4: Simplify right side
236,409,163,791.11x = 41,766,678,504,949,749,383,168 - Step 5: Solve for x
x = 41,766,678,504,949,749,383,168/236,409,163,791.11 - Step 6: Final answer
x = 176,671,148,593.27
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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.