Finding the Fourth Proportional to 664,307,590,522.80, 996,364,639,902.60 and 193,155,147,130.80
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Solution
The fourth proportional to 664,307,590,522.80, 996,364,639,902.60 and 193,155,147,130.80 is: 289,704,590,707.53
Step by Step Solution
- Step 1: Write the proportion equation
664,307,590,522.80 : 996,364,639,902.60 = 193,155,147,130.80 : x - Step 2: Convert to fraction form
664,307,590,522.80/996,364,639,902.60 = 193,155,147,130.80/x - Step 3: Cross multiply
664,307,590,522.80x = 996,364,639,902.60 × 193,155,147,130.80 - Step 4: Simplify right side
664,307,590,522.80x = 192,452,958,616,313,254,641,664 - Step 5: Solve for x
x = 192,452,958,616,313,254,641,664/664,307,590,522.80 - Step 6: Final answer
x = 289,704,590,707.53
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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.