Finding the Fourth Proportional to 738,114,314.90, 1,107,330,904.65 and 220,597,069.10
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Solution
The fourth proportional to 738,114,314.90, 1,107,330,904.65 and 220,597,069.10 is: 330,943,252.50
Step by Step Solution
- Step 1: Write the proportion equation
738,114,314.90 : 1,107,330,904.65 = 220,597,069.10 : x - Step 2: Convert to fraction form
738,114,314.90/1,107,330,904.65 = 220,597,069.10/x - Step 3: Cross multiply
738,114,314.90x = 1,107,330,904.65 × 220,597,069.10 - Step 4: Simplify right side
738,114,314.90x = 244,273,952,089,641,568 - Step 5: Solve for x
x = 244,273,952,089,641,568/738,114,314.90 - Step 6: Final answer
x = 330,943,252.50
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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.