Finding the Fourth Proportional to 641,936,110.88, 963,233,631.86 and 305,794,327.65
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Solution
The fourth proportional to 641,936,110.88, 963,233,631.86 and 305,794,327.65 is: 458,848,436.52
Step by Step Solution
- Step 1: Write the proportion equation
641,936,110.88 : 963,233,631.86 = 305,794,327.65 : x - Step 2: Convert to fraction form
641,936,110.88/963,233,631.86 = 305,794,327.65/x - Step 3: Cross multiply
641,936,110.88x = 963,233,631.86 × 305,794,327.65 - Step 4: Simplify right side
641,936,110.88x = 294,551,380,822,967,360 - Step 5: Solve for x
x = 294,551,380,822,967,360/641,936,110.88 - Step 6: Final answer
x = 458,848,436.52
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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.