Finding the Fourth Proportional to 3,140,297,736.39, 4,711,837,625.86 and 1,645,974,147.94
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Solution
The fourth proportional to 3,140,297,736.39, 4,711,837,625.86 and 1,645,974,147.94 is: 2,469,690,319.99
Step by Step Solution
- Step 1: Write the proportion equation
3,140,297,736.39 : 4,711,837,625.86 = 1,645,974,147.94 : x - Step 2: Convert to fraction form
3,140,297,736.39/4,711,837,625.86 = 1,645,974,147.94/x - Step 3: Cross multiply
3,140,297,736.39x = 4,711,837,625.86 × 1,645,974,147.94 - Step 4: Simplify right side
3,140,297,736.39x = 7,755,562,921,456,545,792 - Step 5: Solve for x
x = 7,755,562,921,456,545,792/3,140,297,736.39 - Step 6: Final answer
x = 2,469,690,319.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.