Finding the Fourth Proportional to 590,979,701.20, 886,469,551.80 and 160,158,197.20
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Solution
The fourth proportional to 590,979,701.20, 886,469,551.80 and 160,158,197.20 is: 240,237,295.80
Step by Step Solution
- Step 1: Write the proportion equation
590,979,701.20 : 886,469,551.80 = 160,158,197.20 : x - Step 2: Convert to fraction form
590,979,701.20/886,469,551.80 = 160,158,197.20/x - Step 3: Cross multiply
590,979,701.20x = 886,469,551.80 × 160,158,197.20 - Step 4: Simplify right side
590,979,701.20x = 141,975,365,288,980,000 - Step 5: Solve for x
x = 141,975,365,288,980,000/590,979,701.20 - Step 6: Final answer
x = 240,237,295.80
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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.