Finding the Fourth Proportional to 280,180,000.80, 419,136,260.40 and 246,167,776.80
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Solution
The fourth proportional to 280,180,000.80, 419,136,260.40 and 246,167,776.80 is: 368,255,553.95
Step by Step Solution
- Step 1: Write the proportion equation
280,180,000.80 : 419,136,260.40 = 246,167,776.80 : x - Step 2: Convert to fraction form
280,180,000.80/419,136,260.40 = 246,167,776.80/x - Step 3: Cross multiply
280,180,000.80x = 419,136,260.40 × 246,167,776.80 - Step 4: Simplify right side
280,180,000.80x = 103,177,841,398,933,872 - Step 5: Solve for x
x = 103,177,841,398,933,872/280,180,000.80 - Step 6: Final answer
x = 368,255,553.95
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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.