Finding the Fourth Proportional to 6,721,897,512.18, 9,277,031,987.51 and 3,825,753,370.80
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Solution
The fourth proportional to 6,721,897,512.18, 9,277,031,987.51 and 3,825,753,370.80 is: 5,280,002,608.33
Step by Step Solution
- Step 1: Write the proportion equation
6,721,897,512.18 : 9,277,031,987.51 = 3,825,753,370.80 : x - Step 2: Convert to fraction form
6,721,897,512.18/9,277,031,987.51 = 3,825,753,370.80/x - Step 3: Cross multiply
6,721,897,512.18x = 9,277,031,987.51 × 3,825,753,370.80 - Step 4: Simplify right side
6,721,897,512.18x = 35,491,636,397,216,673,792 - Step 5: Solve for x
x = 35,491,636,397,216,673,792/6,721,897,512.18 - Step 6: Final answer
x = 5,280,002,608.33
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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.