Finding the Fourth Proportional to 3,393,107,937.60, 5,089,661,906.40 and 939,444,840.60
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Solution
The fourth proportional to 3,393,107,937.60, 5,089,661,906.40 and 939,444,840.60 is: 1,409,167,260.90
Step by Step Solution
- Step 1: Write the proportion equation
3,393,107,937.60 : 5,089,661,906.40 = 939,444,840.60 : x - Step 2: Convert to fraction form
3,393,107,937.60/5,089,661,906.40 = 939,444,840.60/x - Step 3: Cross multiply
3,393,107,937.60x = 5,089,661,906.40 × 939,444,840.60 - Step 4: Simplify right side
3,393,107,937.60x = 4,781,456,618,365,840,384 - Step 5: Solve for x
x = 4,781,456,618,365,840,384/3,393,107,937.60 - Step 6: Final answer
x = 1,409,167,260.90
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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.