Finding the Fourth Proportional to 4,791,072,392.78, 7,180,184,715.21 and 3,728,777,982.53
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Solution
The fourth proportional to 4,791,072,392.78, 7,180,184,715.21 and 3,728,777,982.53 is: 5,588,167,425.09
Step by Step Solution
- Step 1: Write the proportion equation
4,791,072,392.78 : 7,180,184,715.21 = 3,728,777,982.53 : x - Step 2: Convert to fraction form
4,791,072,392.78/7,180,184,715.21 = 3,728,777,982.53/x - Step 3: Cross multiply
4,791,072,392.78x = 7,180,184,715.21 × 3,728,777,982.53 - Step 4: Simplify right side
4,791,072,392.78x = 26,773,314,676,537,585,664 - Step 5: Solve for x
x = 26,773,314,676,537,585,664/4,791,072,392.78 - Step 6: Final answer
x = 5,588,167,425.09
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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.