Finding the Fourth Proportional to 6,985,678,818.24, 9,644,588,212.68 and 4,446,793,842.48
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Solution
The fourth proportional to 6,985,678,818.24, 9,644,588,212.68 and 4,446,793,842.48 is: 6,139,345,451.36
Step by Step Solution
- Step 1: Write the proportion equation
6,985,678,818.24 : 9,644,588,212.68 = 4,446,793,842.48 : x - Step 2: Convert to fraction form
6,985,678,818.24/9,644,588,212.68 = 4,446,793,842.48/x - Step 3: Cross multiply
6,985,678,818.24x = 9,644,588,212.68 × 4,446,793,842.48 - Step 4: Simplify right side
6,985,678,818.24x = 42,887,495,477,400,608,768 - Step 5: Solve for x
x = 42,887,495,477,400,608,768/6,985,678,818.24 - Step 6: Final answer
x = 6,139,345,451.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.