Finding the Fourth Proportional to 424,239,814.14, 585,383,488.62 and 238,564,972.14
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Solution
The fourth proportional to 424,239,814.14, 585,383,488.62 and 238,564,972.14 is: 329,181,729.29
Step by Step Solution
- Step 1: Write the proportion equation
424,239,814.14 : 585,383,488.62 = 238,564,972.14 : x - Step 2: Convert to fraction form
424,239,814.14/585,383,488.62 = 238,564,972.14/x - Step 3: Cross multiply
424,239,814.14x = 585,383,488.62 × 238,564,972.14 - Step 4: Simplify right side
424,239,814.14x = 139,651,995,653,846,304 - Step 5: Solve for x
x = 139,651,995,653,846,304/424,239,814.14 - Step 6: Final answer
x = 329,181,729.29
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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.