Finding the Fourth Proportional to 9,729,655,361.84, 14,595,630,942.36 and 7,291,489,084.40
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Solution
The fourth proportional to 9,729,655,361.84, 14,595,630,942.36 and 7,291,489,084.40 is: 10,938,093,872.63
Step by Step Solution
- Step 1: Write the proportion equation
9,729,655,361.84 : 14,595,630,942.36 = 7,291,489,084.40 : x - Step 2: Convert to fraction form
9,729,655,361.84/14,595,630,942.36 = 7,291,489,084.40/x - Step 3: Cross multiply
9,729,655,361.84x = 14,595,630,942.36 × 7,291,489,084.40 - Step 4: Simplify right side
9,729,655,361.84x = 106,423,883,696,148,824,064 - Step 5: Solve for x
x = 106,423,883,696,148,824,064/9,729,655,361.84 - Step 6: Final answer
x = 10,938,093,872.63
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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.