Finding the Fourth Proportional to 378,434,222.80, 567,651,334.20 and 296,804,885.20
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Solution
The fourth proportional to 378,434,222.80, 567,651,334.20 and 296,804,885.20 is: 445,207,327.80
Step by Step Solution
- Step 1: Write the proportion equation
378,434,222.80 : 567,651,334.20 = 296,804,885.20 : x - Step 2: Convert to fraction form
378,434,222.80/567,651,334.20 = 296,804,885.20/x - Step 3: Cross multiply
378,434,222.80x = 567,651,334.20 × 296,804,885.20 - Step 4: Simplify right side
378,434,222.80x = 168,481,689,080,857,856 - Step 5: Solve for x
x = 168,481,689,080,857,856/378,434,222.80 - Step 6: Final answer
x = 445,207,327.80
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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.