Finding the Fourth Proportional to 347,296,399.74, 479,274,646.95 and 190,677,944.70
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Solution
The fourth proportional to 347,296,399.74, 479,274,646.95 and 190,677,944.70 is: 263,138,646.69
Step by Step Solution
- Step 1: Write the proportion equation
347,296,399.74 : 479,274,646.95 = 190,677,944.70 : x - Step 2: Convert to fraction form
347,296,399.74/479,274,646.95 = 190,677,944.70/x - Step 3: Cross multiply
347,296,399.74x = 479,274,646.95 × 190,677,944.70 - Step 4: Simplify right side
347,296,399.74x = 91,387,104,627,244,112 - Step 5: Solve for x
x = 91,387,104,627,244,112/347,296,399.74 - Step 6: Final answer
x = 263,138,646.69
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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.