Finding the Fourth Proportional to 10,352,544,129.20, 15,528,816,193.80 and 8,514,372,378.80
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Solution
The fourth proportional to 10,352,544,129.20, 15,528,816,193.80 and 8,514,372,378.80 is: 12,771,558,568.20
Step by Step Solution
- Step 1: Write the proportion equation
10,352,544,129.20 : 15,528,816,193.80 = 8,514,372,378.80 : x - Step 2: Convert to fraction form
10,352,544,129.20/15,528,816,193.80 = 8,514,372,378.80/x - Step 3: Cross multiply
10,352,544,129.20x = 15,528,816,193.80 × 8,514,372,378.80 - Step 4: Simplify right side
10,352,544,129.20x = 132,218,123,675,952,857,088 - Step 5: Solve for x
x = 132,218,123,675,952,857,088/10,352,544,129.20 - Step 6: Final answer
x = 12,771,558,568.20
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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.