Finding the Fourth Proportional to 423,229,860.57, 584,058,560.81 and 235,058,120.57
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Solution
The fourth proportional to 423,229,860.57, 584,058,560.81 and 235,058,120.57 is: 324,380,957.95
Step by Step Solution
- Step 1: Write the proportion equation
423,229,860.57 : 584,058,560.81 = 235,058,120.57 : x - Step 2: Convert to fraction form
423,229,860.57/584,058,560.81 = 235,058,120.57/x - Step 3: Cross multiply
423,229,860.57x = 584,058,560.81 × 235,058,120.57 - Step 4: Simplify right side
423,229,860.57x = 137,287,707,602,722,064 - Step 5: Solve for x
x = 137,287,707,602,722,064/423,229,860.57 - Step 6: Final answer
x = 324,380,957.95
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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.