Finding the Fourth Proportional to 441,145,230.30, 661,742,728.65 and 134,447,348.70
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Solution
The fourth proportional to 441,145,230.30, 661,742,728.65 and 134,447,348.70 is: 201,678,606.68
Step by Step Solution
- Step 1: Write the proportion equation
441,145,230.30 : 661,742,728.65 = 134,447,348.70 : x - Step 2: Convert to fraction form
441,145,230.30/661,742,728.65 = 134,447,348.70/x - Step 3: Cross multiply
441,145,230.30x = 661,742,728.65 × 134,447,348.70 - Step 4: Simplify right side
441,145,230.30x = 88,969,555,388,496,016 - Step 5: Solve for x
x = 88,969,555,388,496,016/441,145,230.30 - Step 6: Final answer
x = 201,678,606.68
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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.