Finding the Fourth Proportional to 244,405,501.20, 366,608,251.80 and 212,837,905.80
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Solution
The fourth proportional to 244,405,501.20, 366,608,251.80 and 212,837,905.80 is: 319,256,858.70
Step by Step Solution
- Step 1: Write the proportion equation
244,405,501.20 : 366,608,251.80 = 212,837,905.80 : x - Step 2: Convert to fraction form
244,405,501.20/366,608,251.80 = 212,837,905.80/x - Step 3: Cross multiply
244,405,501.20x = 366,608,251.80 × 212,837,905.80 - Step 4: Simplify right side
244,405,501.20x = 78,028,132,562,111,088 - Step 5: Solve for x
x = 78,028,132,562,111,088/244,405,501.20 - Step 6: Final answer
x = 319,256,858.70
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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.