Finding the Fourth Proportional to 1,634,324,419.81, 2,451,470,474.44 and 748,758,586.49
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Solution
The fourth proportional to 1,634,324,419.81, 2,451,470,474.44 and 748,758,586.49 is: 1,123,130,478.27
Step by Step Solution
- Step 1: Write the proportion equation
1,634,324,419.81 : 2,451,470,474.44 = 748,758,586.49 : x - Step 2: Convert to fraction form
1,634,324,419.81/2,451,470,474.44 = 748,758,586.49/x - Step 3: Cross multiply
1,634,324,419.81x = 2,451,470,474.44 × 748,758,586.49 - Step 4: Simplify right side
1,634,324,419.81x = 1,835,559,567,263,664,128 - Step 5: Solve for x
x = 1,835,559,567,263,664,128/1,634,324,419.81 - Step 6: Final answer
x = 1,123,130,478.27
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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.