Finding the Fourth Proportional to 972,115,470.24, 1,458,176,988.42 and 235,184,192.28
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Solution
The fourth proportional to 972,115,470.24, 1,458,176,988.42 and 235,184,192.28 is: 352,777,203.66
Step by Step Solution
- Step 1: Write the proportion equation
972,115,470.24 : 1,458,176,988.42 = 235,184,192.28 : x - Step 2: Convert to fraction form
972,115,470.24/1,458,176,988.42 = 235,184,192.28/x - Step 3: Cross multiply
972,115,470.24x = 1,458,176,988.42 × 235,184,192.28 - Step 4: Simplify right side
972,115,470.24x = 342,940,177,222,840,640 - Step 5: Solve for x
x = 342,940,177,222,840,640/972,115,470.24 - Step 6: Final answer
x = 352,777,203.66
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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.