Finding the Fourth Proportional to 972,115,453.34, 1,458,176,963.09 and 235,184,175.44
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Solution
The fourth proportional to 972,115,453.34, 1,458,176,963.09 and 235,184,175.44 is: 352,777,178.40
Step by Step Solution
- Step 1: Write the proportion equation
972,115,453.34 : 1,458,176,963.09 = 235,184,175.44 : x - Step 2: Convert to fraction form
972,115,453.34/1,458,176,963.09 = 235,184,175.44/x - Step 3: Cross multiply
972,115,453.34x = 1,458,176,963.09 × 235,184,175.44 - Step 4: Simplify right side
972,115,453.34x = 342,940,146,709,924,928 - Step 5: Solve for x
x = 342,940,146,709,924,928/972,115,453.34 - Step 6: Final answer
x = 352,777,178.40
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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.