Finding the Fourth Proportional to 236,409,163,786.50, 326,244,960,640.36 and 128,022,447,980.99
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Solution
The fourth proportional to 236,409,163,786.50, 326,244,960,640.36 and 128,022,447,980.99 is: 176,671,148,586.95
Step by Step Solution
- Step 1: Write the proportion equation
236,409,163,786.50 : 326,244,960,640.36 = 128,022,447,980.99 : x - Step 2: Convert to fraction form
236,409,163,786.50/326,244,960,640.36 = 128,022,447,980.99/x - Step 3: Cross multiply
236,409,163,786.50x = 326,244,960,640.36 × 128,022,447,980.99 - Step 4: Simplify right side
236,409,163,786.50x = 41,766,678,502,640,617,259,008 - Step 5: Solve for x
x = 41,766,678,502,640,617,259,008/236,409,163,786.50 - Step 6: Final answer
x = 176,671,148,586.95
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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.