Finding the Fourth Proportional to 428,053,198.37, 590,716,437.05 and 232,482,910.37
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Solution
The fourth proportional to 428,053,198.37, 590,716,437.05 and 232,482,910.37 is: 320,828,058.31
Step by Step Solution
- Step 1: Write the proportion equation
428,053,198.37 : 590,716,437.05 = 232,482,910.37 : x - Step 2: Convert to fraction form
428,053,198.37/590,716,437.05 = 232,482,910.37/x - Step 3: Cross multiply
428,053,198.37x = 590,716,437.05 × 232,482,910.37 - Step 4: Simplify right side
428,053,198.37x = 137,331,476,486,408,528 - Step 5: Solve for x
x = 137,331,476,486,408,528/428,053,198.37 - Step 6: Final answer
x = 320,828,058.31
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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.