Finding the Fourth Proportional to 2,127,515,609.67, 3,192,516,990.38 and 1,536,723,278.79
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Solution
The fourth proportional to 2,127,515,609.67, 3,192,516,990.38 and 1,536,723,278.79 is: 2,305,983,164.00
Step by Step Solution
- Step 1: Write the proportion equation
2,127,515,609.67 : 3,192,516,990.38 = 1,536,723,278.79 : x - Step 2: Convert to fraction form
2,127,515,609.67/3,192,516,990.38 = 1,536,723,278.79/x - Step 3: Cross multiply
2,127,515,609.67x = 3,192,516,990.38 × 1,536,723,278.79 - Step 4: Simplify right side
2,127,515,609.67x = 4,906,015,177,049,536,512 - Step 5: Solve for x
x = 4,906,015,177,049,536,512/2,127,515,609.67 - Step 6: Final answer
x = 2,305,983,164.00
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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.