Finding the Fourth Proportional to 252,319,040.38, 378,476,037.42 and 79,795,883.26
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Solution
The fourth proportional to 252,319,040.38, 378,476,037.42 and 79,795,883.26 is: 119,693,026.94
Step by Step Solution
- Step 1: Write the proportion equation
252,319,040.38 : 378,476,037.42 = 79,795,883.26 : x - Step 2: Convert to fraction form
252,319,040.38/378,476,037.42 = 79,795,883.26/x - Step 3: Cross multiply
252,319,040.38x = 378,476,037.42 × 79,795,883.26 - Step 4: Simplify right side
252,319,040.38x = 30,200,829,698,673,716 - Step 5: Solve for x
x = 30,200,829,698,673,716/252,319,040.38 - Step 6: Final answer
x = 119,693,026.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.