Finding the Fourth Proportional to 7,086,440,650.60, 10,629,622,309.74 and 2,889,376,998.76
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Solution
The fourth proportional to 7,086,440,650.60, 10,629,622,309.74 and 2,889,376,998.76 is: 4,334,049,732.66
Step by Step Solution
- Step 1: Write the proportion equation
7,086,440,650.60 : 10,629,622,309.74 = 2,889,376,998.76 : x - Step 2: Convert to fraction form
7,086,440,650.60/10,629,622,309.74 = 2,889,376,998.76/x - Step 3: Cross multiply
7,086,440,650.60x = 10,629,622,309.74 × 2,889,376,998.76 - Step 4: Simplify right side
7,086,440,650.60x = 30,712,986,207,268,900,864 - Step 5: Solve for x
x = 30,712,986,207,268,900,864/7,086,440,650.60 - Step 6: Final answer
x = 4,334,049,732.66
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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.