Finding the Fourth Proportional to 8,269,886,853.21, 11,413,408,692.98 and 4,702,128,336.97
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Solution
The fourth proportional to 8,269,886,853.21, 11,413,408,692.98 and 4,702,128,336.97 is: 6,489,485,695.42
Step by Step Solution
- Step 1: Write the proportion equation
8,269,886,853.21 : 11,413,408,692.98 = 4,702,128,336.97 : x - Step 2: Convert to fraction form
8,269,886,853.21/11,413,408,692.98 = 4,702,128,336.97/x - Step 3: Cross multiply
8,269,886,853.21x = 11,413,408,692.98 × 4,702,128,336.97 - Step 4: Simplify right side
8,269,886,853.21x = 53,667,312,436,680,990,720 - Step 5: Solve for x
x = 53,667,312,436,680,990,720/8,269,886,853.21 - Step 6: Final answer
x = 6,489,485,695.42
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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.