Finding the Fourth Proportional to 932,686,554.24, 1,399,514,021.76 and 380,394,170.88
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Solution
The fourth proportional to 932,686,554.24, 1,399,514,021.76 and 380,394,170.88 is: 570,788,732.32
Step by Step Solution
- Step 1: Write the proportion equation
932,686,554.24 : 1,399,514,021.76 = 380,394,170.88 : x - Step 2: Convert to fraction form
932,686,554.24/1,399,514,021.76 = 380,394,170.88/x - Step 3: Cross multiply
932,686,554.24x = 1,399,514,021.76 × 380,394,170.88 - Step 4: Simplify right side
932,686,554.24x = 532,366,975,942,329,472 - Step 5: Solve for x
x = 532,366,975,942,329,472/932,686,554.24 - Step 6: Final answer
x = 570,788,732.32
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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.