Finding the Fourth Proportional to 447,101,756.93, 617,000,453.01 and 248,858,984.09
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Solution
The fourth proportional to 447,101,756.93, 617,000,453.01 and 248,858,984.09 is: 343,425,413.87
Step by Step Solution
- Step 1: Write the proportion equation
447,101,756.93 : 617,000,453.01 = 248,858,984.09 : x - Step 2: Convert to fraction form
447,101,756.93/617,000,453.01 = 248,858,984.09/x - Step 3: Cross multiply
447,101,756.93x = 617,000,453.01 × 248,858,984.09 - Step 4: Simplify right side
447,101,756.93x = 153,546,105,916,053,376 - Step 5: Solve for x
x = 153,546,105,916,053,376/447,101,756.93 - Step 6: Final answer
x = 343,425,413.87
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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.