Finding the Fourth Proportional to 665,723,740.80, 998,588,721.60 and 234,902,236.80
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Solution
The fourth proportional to 665,723,740.80, 998,588,721.60 and 234,902,236.80 is: 352,354,452.71
Step by Step Solution
- Step 1: Write the proportion equation
665,723,740.80 : 998,588,721.60 = 234,902,236.80 : x - Step 2: Convert to fraction form
665,723,740.80/998,588,721.60 = 234,902,236.80/x - Step 3: Cross multiply
665,723,740.80x = 998,588,721.60 × 234,902,236.80 - Step 4: Simplify right side
665,723,740.80x = 234,570,724,347,092,480 - Step 5: Solve for x
x = 234,570,724,347,092,480/665,723,740.80 - Step 6: Final answer
x = 352,354,452.71
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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.