Finding the Fourth Proportional to 295,245,846.20, 442,868,769.30 and 122,846,385.80
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Solution
The fourth proportional to 295,245,846.20, 442,868,769.30 and 122,846,385.80 is: 184,269,578.70
Step by Step Solution
- Step 1: Write the proportion equation
295,245,846.20 : 442,868,769.30 = 122,846,385.80 : x - Step 2: Convert to fraction form
295,245,846.20/442,868,769.30 = 122,846,385.80/x - Step 3: Cross multiply
295,245,846.20x = 442,868,769.30 × 122,846,385.80 - Step 4: Simplify right side
295,245,846.20x = 54,404,827,692,199,000 - Step 5: Solve for x
x = 54,404,827,692,199,000/295,245,846.20 - Step 6: Final answer
x = 184,269,578.70
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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.