Finding the Fourth Proportional to 2,269,169,542.68, 3,131,458,147.46 and 1,265,651,792.58
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Solution
The fourth proportional to 2,269,169,542.68, 3,131,458,147.46 and 1,265,651,792.58 is: 1,746,601,804.39
Step by Step Solution
- Step 1: Write the proportion equation
2,269,169,542.68 : 3,131,458,147.46 = 1,265,651,792.58 : x - Step 2: Convert to fraction form
2,269,169,542.68/3,131,458,147.46 = 1,265,651,792.58/x - Step 3: Cross multiply
2,269,169,542.68x = 3,131,458,147.46 × 1,265,651,792.58 - Step 4: Simplify right side
2,269,169,542.68x = 3,963,335,617,715,666,432 - Step 5: Solve for x
x = 3,963,335,617,715,666,432/2,269,169,542.68 - Step 6: Final answer
x = 1,746,601,804.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.