Finding the Fourth Proportional to 8,184,368,438.74, 12,276,470,815.86 and 2,588,306,481.48
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Solution
The fourth proportional to 8,184,368,438.74, 12,276,470,815.86 and 2,588,306,481.48 is: 3,882,433,839.61
Step by Step Solution
- Step 1: Write the proportion equation
8,184,368,438.74 : 12,276,470,815.86 = 2,588,306,481.48 : x - Step 2: Convert to fraction form
8,184,368,438.74/12,276,470,815.86 = 2,588,306,481.48/x - Step 3: Cross multiply
8,184,368,438.74x = 12,276,470,815.86 × 2,588,306,481.48 - Step 4: Simplify right side
8,184,368,438.74x = 31,775,268,982,390,501,376 - Step 5: Solve for x
x = 31,775,268,982,390,501,376/8,184,368,438.74 - Step 6: Final answer
x = 3,882,433,839.61
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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.