Finding the Fourth Proportional to 611,393,048.28, 843,757,828.68 and 460,415,427.84
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Solution
The fourth proportional to 611,393,048.28, 843,757,828.68 and 460,415,427.84 is: 635,399,965.34
Step by Step Solution
- Step 1: Write the proportion equation
611,393,048.28 : 843,757,828.68 = 460,415,427.84 : x - Step 2: Convert to fraction form
611,393,048.28/843,757,828.68 = 460,415,427.84/x - Step 3: Cross multiply
611,393,048.28x = 843,757,828.68 × 460,415,427.84 - Step 4: Simplify right side
611,393,048.28x = 388,479,121,685,051,584 - Step 5: Solve for x
x = 388,479,121,685,051,584/611,393,048.28 - Step 6: Final answer
x = 635,399,965.34
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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.