Finding the Fourth Proportional to 451,317,637.26, 622,907,659.11 and 292,744,278.75
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Solution
The fourth proportional to 451,317,637.26, 622,907,659.11 and 292,744,278.75 is: 404,045,041.32
Step by Step Solution
- Step 1: Write the proportion equation
451,317,637.26 : 622,907,659.11 = 292,744,278.75 : x - Step 2: Convert to fraction form
451,317,637.26/622,907,659.11 = 292,744,278.75/x - Step 3: Cross multiply
451,317,637.26x = 622,907,659.11 × 292,744,278.75 - Step 4: Simplify right side
451,317,637.26x = 182,352,653,394,007,808 - Step 5: Solve for x
x = 182,352,653,394,007,808/451,317,637.26 - Step 6: Final answer
x = 404,045,041.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.