Finding the Fourth Proportional to 461,845,908.75, 637,342,276.64 and 250,147,473.06
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Solution
The fourth proportional to 461,845,908.75, 637,342,276.64 and 250,147,473.06 is: 345,200,762.75
Step by Step Solution
- Step 1: Write the proportion equation
461,845,908.75 : 637,342,276.64 = 250,147,473.06 : x - Step 2: Convert to fraction form
461,845,908.75/637,342,276.64 = 250,147,473.06/x - Step 3: Cross multiply
461,845,908.75x = 637,342,276.64 × 250,147,473.06 - Step 4: Simplify right side
461,845,908.75x = 159,429,559,974,552,736 - Step 5: Solve for x
x = 159,429,559,974,552,736/461,845,908.75 - Step 6: Final answer
x = 345,200,762.75
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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.