Finding the Fourth Proportional to 10,352,544,147.70, 15,528,816,221.55 and 8,514,372,397.30
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Solution
The fourth proportional to 10,352,544,147.70, 15,528,816,221.55 and 8,514,372,397.30 is: 12,771,558,595.95
Step by Step Solution
- Step 1: Write the proportion equation
10,352,544,147.70 : 15,528,816,221.55 = 8,514,372,397.30 : x - Step 2: Convert to fraction form
10,352,544,147.70/15,528,816,221.55 = 8,514,372,397.30/x - Step 3: Cross multiply
10,352,544,147.70x = 15,528,816,221.55 × 8,514,372,397.30 - Step 4: Simplify right side
10,352,544,147.70x = 132,218,124,199,509,803,008 - Step 5: Solve for x
x = 132,218,124,199,509,803,008/10,352,544,147.70 - Step 6: Final answer
x = 12,771,558,595.95
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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.