Finding the Fourth Proportional to 346,106,216.37, 477,626,601.89 and 189,473,323.36
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Solution
The fourth proportional to 346,106,216.37, 477,626,601.89 and 189,473,323.36 is: 261,473,198.99
Step by Step Solution
- Step 1: Write the proportion equation
346,106,216.37 : 477,626,601.89 = 189,473,323.36 : x - Step 2: Convert to fraction form
346,106,216.37/477,626,601.89 = 189,473,323.36/x - Step 3: Cross multiply
346,106,216.37x = 477,626,601.89 × 189,473,323.36 - Step 4: Simplify right side
346,106,216.37x = 90,497,499,584,047,888 - Step 5: Solve for x
x = 90,497,499,584,047,888/346,106,216.37 - Step 6: Final answer
x = 261,473,198.99
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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.