Finding the Fourth Proportional to 6,721,897,514.06, 9,277,031,990.09 and 3,825,753,372.68
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Solution
The fourth proportional to 6,721,897,514.06, 9,277,031,990.09 and 3,825,753,372.68 is: 5,280,002,610.91
Step by Step Solution
- Step 1: Write the proportion equation
6,721,897,514.06 : 9,277,031,990.09 = 3,825,753,372.68 : x - Step 2: Convert to fraction form
6,721,897,514.06/9,277,031,990.09 = 3,825,753,372.68/x - Step 3: Cross multiply
6,721,897,514.06x = 9,277,031,990.09 × 3,825,753,372.68 - Step 4: Simplify right side
6,721,897,514.06x = 35,491,636,424,481,554,432 - Step 5: Solve for x
x = 35,491,636,424,481,554,432/6,721,897,514.06 - Step 6: Final answer
x = 5,280,002,610.91
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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.