Finding the Fourth Proportional to 8,397,017,465.29, 11,587,815,236.90 and 4,586,542,846.25
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Solution
The fourth proportional to 8,397,017,465.29, 11,587,815,236.90 and 4,586,542,846.25 is: 6,329,391,512.90
Step by Step Solution
- Step 1: Write the proportion equation
8,397,017,465.29 : 11,587,815,236.90 = 4,586,542,846.25 : x - Step 2: Convert to fraction form
8,397,017,465.29/11,587,815,236.90 = 4,586,542,846.25/x - Step 3: Cross multiply
8,397,017,465.29x = 11,587,815,236.90 × 4,586,542,846.25 - Step 4: Simplify right side
8,397,017,465.29x = 53,148,011,078,426,263,552 - Step 5: Solve for x
x = 53,148,011,078,426,263,552/8,397,017,465.29 - Step 6: Final answer
x = 6,329,391,512.90
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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.