Finding the Fourth Proportional to 13,680,824,525.34, 20,524,331,193.43 and 7,385,118,627.99
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Solution
The fourth proportional to 13,680,824,525.34, 20,524,331,193.43 and 7,385,118,627.99 is: 11,079,348,349.43
Step by Step Solution
- Step 1: Write the proportion equation
13,680,824,525.34 : 20,524,331,193.43 = 7,385,118,627.99 : x - Step 2: Convert to fraction form
13,680,824,525.34/20,524,331,193.43 = 7,385,118,627.99/x - Step 3: Cross multiply
13,680,824,525.34x = 20,524,331,193.43 × 7,385,118,627.99 - Step 4: Simplify right side
13,680,824,525.34x = 151,574,620,623,636,103,168 - Step 5: Solve for x
x = 151,574,620,623,636,103,168/13,680,824,525.34 - Step 6: Final answer
x = 11,079,348,349.43
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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.