Finding the Fourth Proportional to 347,403,754.13, 479,422,687.67 and 188,633,787.08
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Solution
The fourth proportional to 347,403,754.13, 479,422,687.67 and 188,633,787.08 is: 260,317,616.35
Step by Step Solution
- Step 1: Write the proportion equation
347,403,754.13 : 479,422,687.67 = 188,633,787.08 : x - Step 2: Convert to fraction form
347,403,754.13/479,422,687.67 = 188,633,787.08/x - Step 3: Cross multiply
347,403,754.13x = 479,422,687.67 × 188,633,787.08 - Step 4: Simplify right side
347,403,754.13x = 90,435,317,183,923,840 - Step 5: Solve for x
x = 90,435,317,183,923,840/347,403,754.13 - Step 6: Final answer
x = 260,317,616.35
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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.