Finding the Fourth Proportional to 20,524,129,838.19, 30,774,971,790.95 and 16,296,975,180.79
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Solution
The fourth proportional to 20,524,129,838.19, 30,774,971,790.95 and 16,296,975,180.79 is: 24,436,551,289.66
Step by Step Solution
- Step 1: Write the proportion equation
20,524,129,838.19 : 30,774,971,790.95 = 16,296,975,180.79 : x - Step 2: Convert to fraction form
20,524,129,838.19/30,774,971,790.95 = 16,296,975,180.79/x - Step 3: Cross multiply
20,524,129,838.19x = 30,774,971,790.95 × 16,296,975,180.79 - Step 4: Simplify right side
20,524,129,838.19x = 501,538,951,466,573,824,000 - Step 5: Solve for x
x = 501,538,951,466,573,824,000/20,524,129,838.19 - Step 6: Final answer
x = 24,436,551,289.66
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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.