Finding the Fourth Proportional to 295,245,748.40, 442,868,622.60 and 293,545,137.20
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Solution
The fourth proportional to 295,245,748.40, 442,868,622.60 and 293,545,137.20 is: 440,317,705.80
Step by Step Solution
- Step 1: Write the proportion equation
295,245,748.40 : 442,868,622.60 = 293,545,137.20 : x - Step 2: Convert to fraction form
295,245,748.40/442,868,622.60 = 293,545,137.20/x - Step 3: Cross multiply
295,245,748.40x = 442,868,622.60 × 293,545,137.20 - Step 4: Simplify right side
295,245,748.40x = 130,001,930,582,692,016 - Step 5: Solve for x
x = 130,001,930,582,692,016/295,245,748.40 - Step 6: Final answer
x = 440,317,705.80
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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.