Finding the Fourth Proportional to 231,787,014,493.80, 347,680,521,740.70 and 192,604,932,445.80
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Solution
The fourth proportional to 231,787,014,493.80, 347,680,521,740.70 and 192,604,932,445.80 is: 288,907,398,668.70
Step by Step Solution
- Step 1: Write the proportion equation
231,787,014,493.80 : 347,680,521,740.70 = 192,604,932,445.80 : x - Step 2: Convert to fraction form
231,787,014,493.80/347,680,521,740.70 = 192,604,932,445.80/x - Step 3: Cross multiply
231,787,014,493.80x = 347,680,521,740.70 × 192,604,932,445.80 - Step 4: Simplify right side
231,787,014,493.80x = 66,964,983,402,588,020,932,608 - Step 5: Solve for x
x = 66,964,983,402,588,020,932,608/231,787,014,493.80 - Step 6: Final answer
x = 288,907,398,668.70
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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.