Finding the Fourth Proportional to 492,887,429,481.75, 680,184,136,817.70 and 276,115,149,915.94
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Solution
The fourth proportional to 492,887,429,481.75, 680,184,136,817.70 and 276,115,149,915.94 is: 381,038,617,895.65
Step by Step Solution
- Step 1: Write the proportion equation
492,887,429,481.75 : 680,184,136,817.70 = 276,115,149,915.94 : x - Step 2: Convert to fraction form
492,887,429,481.75/680,184,136,817.70 = 276,115,149,915.94/x - Step 3: Cross multiply
492,887,429,481.75x = 680,184,136,817.70 × 276,115,149,915.94 - Step 4: Simplify right side
492,887,429,481.75x = 187,809,144,907,863,483,744,256 - Step 5: Solve for x
x = 187,809,144,907,863,483,744,256/492,887,429,481.75 - Step 6: Final answer
x = 381,038,617,895.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.