Finding the Fourth Proportional to 323,522,207.80, 485,283,311.70 and 246,994,703.80
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Solution
The fourth proportional to 323,522,207.80, 485,283,311.70 and 246,994,703.80 is: 370,492,055.70
Step by Step Solution
- Step 1: Write the proportion equation
323,522,207.80 : 485,283,311.70 = 246,994,703.80 : x - Step 2: Convert to fraction form
323,522,207.80/485,283,311.70 = 246,994,703.80/x - Step 3: Cross multiply
323,522,207.80x = 485,283,311.70 × 246,994,703.80 - Step 4: Simplify right side
323,522,207.80x = 119,862,407,832,424,576 - Step 5: Solve for x
x = 119,862,407,832,424,576/323,522,207.80 - Step 6: Final answer
x = 370,492,055.70
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1.5x scale
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.