Finding the Fourth Proportional to 972,293,620.38, 1,458,444,170.34 and 235,362,319.08
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Solution
The fourth proportional to 972,293,620.38, 1,458,444,170.34 and 235,362,319.08 is: 353,044,383.90
Step by Step Solution
- Step 1: Write the proportion equation
972,293,620.38 : 1,458,444,170.34 = 235,362,319.08 : x - Step 2: Convert to fraction form
972,293,620.38/1,458,444,170.34 = 235,362,319.08/x - Step 3: Cross multiply
972,293,620.38x = 1,458,444,170.34 × 235,362,319.08 - Step 4: Simplify right side
972,293,620.38x = 343,262,802,179,928,960 - Step 5: Solve for x
x = 343,262,802,179,928,960/972,293,620.38 - Step 6: Final answer
x = 353,044,383.90
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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.