Finding the Fourth Proportional to 236,409,163,775.37, 326,244,960,624.98 and 128,022,447,969.85
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Solution
The fourth proportional to 236,409,163,775.37, 326,244,960,624.98 and 128,022,447,969.85 is: 176,671,148,571.56
Step by Step Solution
- Step 1: Write the proportion equation
236,409,163,775.37 : 326,244,960,624.98 = 128,022,447,969.85 : x - Step 2: Convert to fraction form
236,409,163,775.37/326,244,960,624.98 = 128,022,447,969.85/x - Step 3: Cross multiply
236,409,163,775.37x = 326,244,960,624.98 × 128,022,447,969.85 - Step 4: Simplify right side
236,409,163,775.37x = 41,766,678,497,037,261,996,032 - Step 5: Solve for x
x = 41,766,678,497,037,261,996,032/236,409,163,775.37 - Step 6: Final answer
x = 176,671,148,571.56
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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.