Finding the Fourth Proportional to 338,945,726.24, 467,731,327.92 and 192,264,860.96
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Solution
The fourth proportional to 338,945,726.24, 467,731,327.92 and 192,264,860.96 is: 265,317,694.74
Step by Step Solution
- Step 1: Write the proportion equation
338,945,726.24 : 467,731,327.92 = 192,264,860.96 : x - Step 2: Convert to fraction form
338,945,726.24/467,731,327.92 = 192,264,860.96/x - Step 3: Cross multiply
338,945,726.24x = 467,731,327.92 × 192,264,860.96 - Step 4: Simplify right side
338,945,726.24x = 89,928,298,729,174,976 - Step 5: Solve for x
x = 89,928,298,729,174,976/338,945,726.24 - Step 6: Final answer
x = 265,317,694.74
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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.