Finding the Fourth Proportional to 305,696,524.14, 421,878,914.34 and 230,207,713.92
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Solution
The fourth proportional to 305,696,524.14, 421,878,914.34 and 230,207,713.92 is: 317,699,982.67
Step by Step Solution
- Step 1: Write the proportion equation
305,696,524.14 : 421,878,914.34 = 230,207,713.92 : x - Step 2: Convert to fraction form
305,696,524.14/421,878,914.34 = 230,207,713.92/x - Step 3: Cross multiply
305,696,524.14x = 421,878,914.34 × 230,207,713.92 - Step 4: Simplify right side
305,696,524.14x = 97,119,780,421,262,896 - Step 5: Solve for x
x = 97,119,780,421,262,896/305,696,524.14 - Step 6: Final answer
x = 317,699,982.67
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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.