Finding the Fourth Proportional to 295,245,850.40, 442,868,775.60 and 293,545,239.20
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Solution
The fourth proportional to 295,245,850.40, 442,868,775.60 and 293,545,239.20 is: 440,317,858.80
Step by Step Solution
- Step 1: Write the proportion equation
295,245,850.40 : 442,868,775.60 = 293,545,239.20 : x - Step 2: Convert to fraction form
295,245,850.40/442,868,775.60 = 293,545,239.20/x - Step 3: Cross multiply
295,245,850.40x = 442,868,775.60 × 293,545,239.20 - Step 4: Simplify right side
295,245,850.40x = 130,002,020,667,713,120 - Step 5: Solve for x
x = 130,002,020,667,713,120/295,245,850.40 - Step 6: Final answer
x = 440,317,858.80
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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.