Finding the Fourth Proportional to 3,845,790,745.30, 5,768,686,117.95 and 3,587,801,727.70
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Solution
The fourth proportional to 3,845,790,745.30, 5,768,686,117.95 and 3,587,801,727.70 is: 5,381,702,591.55
Step by Step Solution
- Step 1: Write the proportion equation
3,845,790,745.30 : 5,768,686,117.95 = 3,587,801,727.70 : x - Step 2: Convert to fraction form
3,845,790,745.30/5,768,686,117.95 = 3,587,801,727.70/x - Step 3: Cross multiply
3,845,790,745.30x = 5,768,686,117.95 × 3,587,801,727.70 - Step 4: Simplify right side
3,845,790,745.30x = 20,696,902,020,540,014,592 - Step 5: Solve for x
x = 20,696,902,020,540,014,592/3,845,790,745.30 - Step 6: Final answer
x = 5,381,702,591.55
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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.