Finding the Fourth Proportional to 428,053,203.49, 590,716,444.13 and 232,482,915.49
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Solution
The fourth proportional to 428,053,203.49, 590,716,444.13 and 232,482,915.49 is: 320,828,065.39
Step by Step Solution
- Step 1: Write the proportion equation
428,053,203.49 : 590,716,444.13 = 232,482,915.49 : x - Step 2: Convert to fraction form
428,053,203.49/590,716,444.13 = 232,482,915.49/x - Step 3: Cross multiply
428,053,203.49x = 590,716,444.13 × 232,482,915.49 - Step 4: Simplify right side
428,053,203.49x = 137,331,481,159,228,096 - Step 5: Solve for x
x = 137,331,481,159,228,096/428,053,203.49 - Step 6: Final answer
x = 320,828,065.39
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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.