Finding the Fourth Proportional to 585,072,291.97, 877,910,163.77 and 274,211,489.08
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Solution
The fourth proportional to 585,072,291.97, 877,910,163.77 and 274,211,489.08 is: 411,458,646.38
Step by Step Solution
- Step 1: Write the proportion equation
585,072,291.97 : 877,910,163.77 = 274,211,489.08 : x - Step 2: Convert to fraction form
585,072,291.97/877,910,163.77 = 274,211,489.08/x - Step 3: Cross multiply
585,072,291.97x = 877,910,163.77 × 274,211,489.08 - Step 4: Simplify right side
585,072,291.97x = 240,733,053,285,838,336 - Step 5: Solve for x
x = 240,733,053,285,838,336/585,072,291.97 - Step 6: Final answer
x = 411,458,646.38
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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.