Finding the Fourth Proportional to 405,261,828.24, 559,261,801.35 and 219,622,843.92
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Solution
The fourth proportional to 405,261,828.24, 559,261,801.35 and 219,622,843.92 is: 303,079,783.86
Step by Step Solution
- Step 1: Write the proportion equation
405,261,828.24 : 559,261,801.35 = 219,622,843.92 : x - Step 2: Convert to fraction form
405,261,828.24/559,261,801.35 = 219,622,843.92/x - Step 3: Cross multiply
405,261,828.24x = 559,261,801.35 × 219,622,843.92 - Step 4: Simplify right side
405,261,828.24x = 122,826,667,308,309,088 - Step 5: Solve for x
x = 122,826,667,308,309,088/405,261,828.24 - Step 6: Final answer
x = 303,079,783.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.