Finding the Fourth Proportional to 321,627,751.70, 482,495,438.68 and 252,537,768.14
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Solution
The fourth proportional to 321,627,751.70, 482,495,438.68 and 252,537,768.14 is: 378,848,903.98
Step by Step Solution
- Step 1: Write the proportion equation
321,627,751.70 : 482,495,438.68 = 252,537,768.14 : x - Step 2: Convert to fraction form
321,627,751.70/482,495,438.68 = 252,537,768.14/x - Step 3: Cross multiply
321,627,751.70x = 482,495,438.68 × 252,537,768.14 - Step 4: Simplify right side
321,627,751.70x = 121,848,321,218,933,600 - Step 5: Solve for x
x = 121,848,321,218,933,600/321,627,751.70 - Step 6: Final answer
x = 378,848,903.98
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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.