Finding the Fourth Proportional to 2,123,177,769.18, 2,929,998,922.38 and 1,183,439,998.26
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Solution
The fourth proportional to 2,123,177,769.18, 2,929,998,922.38 and 1,183,439,998.26 is: 1,633,154,778.62
Step by Step Solution
- Step 1: Write the proportion equation
2,123,177,769.18 : 2,929,998,922.38 = 1,183,439,998.26 : x - Step 2: Convert to fraction form
2,123,177,769.18/2,929,998,922.38 = 1,183,439,998.26/x - Step 3: Cross multiply
2,123,177,769.18x = 2,929,998,922.38 × 1,183,439,998.26 - Step 4: Simplify right side
2,123,177,769.18x = 3,467,477,919,603,189,248 - Step 5: Solve for x
x = 3,467,477,919,603,189,248/2,123,177,769.18 - Step 6: Final answer
x = 1,633,154,778.62
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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.