Finding the Fourth Proportional to 673,558,942.41, 1,010,374,631.55 and 213,532,983.99
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Solution
The fourth proportional to 673,558,942.41, 1,010,374,631.55 and 213,532,983.99 is: 320,310,957.87
Step by Step Solution
- Step 1: Write the proportion equation
673,558,942.41 : 1,010,374,631.55 = 213,532,983.99 : x - Step 2: Convert to fraction form
673,558,942.41/1,010,374,631.55 = 213,532,983.99/x - Step 3: Cross multiply
673,558,942.41x = 1,010,374,631.55 × 213,532,983.99 - Step 4: Simplify right side
673,558,942.41x = 215,748,310,022,668,288 - Step 5: Solve for x
x = 215,748,310,022,668,288/673,558,942.41 - Step 6: Final answer
x = 320,310,957.87
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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.