Finding the Fourth Proportional to 548,689,043.40, 757,819,306.08 and 361,354,764.12
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Solution
The fourth proportional to 548,689,043.40, 757,819,306.08 and 361,354,764.12 is: 499,083,442.41
Step by Step Solution
- Step 1: Write the proportion equation
548,689,043.40 : 757,819,306.08 = 361,354,764.12 : x - Step 2: Convert to fraction form
548,689,043.40/757,819,306.08 = 361,354,764.12/x - Step 3: Cross multiply
548,689,043.40x = 757,819,306.08 × 361,354,764.12 - Step 4: Simplify right side
548,689,043.40x = 273,841,616,594,120,512 - Step 5: Solve for x
x = 273,841,616,594,120,512/548,689,043.40 - Step 6: Final answer
x = 499,083,442.41
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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.