Finding the Fourth Proportional to 244,405,709.70, 366,608,564.55 and 212,838,114.30
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Solution
The fourth proportional to 244,405,709.70, 366,608,564.55 and 212,838,114.30 is: 319,257,171.45
Step by Step Solution
- Step 1: Write the proportion equation
244,405,709.70 : 366,608,564.55 = 212,838,114.30 : x - Step 2: Convert to fraction form
244,405,709.70/366,608,564.55 = 212,838,114.30/x - Step 3: Cross multiply
244,405,709.70x = 366,608,564.55 × 212,838,114.30 - Step 4: Simplify right side
244,405,709.70x = 78,028,275,565,051,840 - Step 5: Solve for x
x = 78,028,275,565,051,840/244,405,709.70 - Step 6: Final answer
x = 319,257,171.45
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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.