Finding the Fourth Proportional to 302,601,124.20, 453,901,686.30 and 180,157,117.80
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Solution
The fourth proportional to 302,601,124.20, 453,901,686.30 and 180,157,117.80 is: 270,235,676.70
Step by Step Solution
- Step 1: Write the proportion equation
302,601,124.20 : 453,901,686.30 = 180,157,117.80 : x - Step 2: Convert to fraction form
302,601,124.20/453,901,686.30 = 180,157,117.80/x - Step 3: Cross multiply
302,601,124.20x = 453,901,686.30 × 180,157,117.80 - Step 4: Simplify right side
302,601,124.20x = 81,773,619,568,367,760 - Step 5: Solve for x
x = 81,773,619,568,367,760/302,601,124.20 - Step 6: Final answer
x = 270,235,676.70
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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.