Finding the Fourth Proportional to 231,787,008,037.80, 347,680,512,056.70 and 66,351,550,501.80
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Solution
The fourth proportional to 231,787,008,037.80, 347,680,512,056.70 and 66,351,550,501.80 is: 99,527,325,752.70
Step by Step Solution
- Step 1: Write the proportion equation
231,787,008,037.80 : 347,680,512,056.70 = 66,351,550,501.80 : x - Step 2: Convert to fraction form
231,787,008,037.80/347,680,512,056.70 = 66,351,550,501.80/x - Step 3: Cross multiply
231,787,008,037.80x = 347,680,512,056.70 × 66,351,550,501.80 - Step 4: Simplify right side
231,787,008,037.80x = 23,069,141,054,221,816,168,448 - Step 5: Solve for x
x = 23,069,141,054,221,816,168,448/231,787,008,037.80 - Step 6: Final answer
x = 99,527,325,752.70
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1.5x scale
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.