Finding the Fourth Proportional to 701,443,285.80, 1,052,164,928.70 and 190,840,021.80
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Solution
The fourth proportional to 701,443,285.80, 1,052,164,928.70 and 190,840,021.80 is: 286,260,032.70
Step by Step Solution
- Step 1: Write the proportion equation
701,443,285.80 : 1,052,164,928.70 = 190,840,021.80 : x - Step 2: Convert to fraction form
701,443,285.80/1,052,164,928.70 = 190,840,021.80/x - Step 3: Cross multiply
701,443,285.80x = 1,052,164,928.70 × 190,840,021.80 - Step 4: Simplify right side
701,443,285.80x = 200,795,177,930,303,456 - Step 5: Solve for x
x = 200,795,177,930,303,456/701,443,285.80 - Step 6: Final answer
x = 286,260,032.70
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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.