Finding the Fourth Proportional to 588,709,291.23, 812,382,216.44 and 324,376,491.96
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Solution
The fourth proportional to 588,709,291.23, 812,382,216.44 and 324,376,491.96 is: 447,619,389.44
Step by Step Solution
- Step 1: Write the proportion equation
588,709,291.23 : 812,382,216.44 = 324,376,491.96 : x - Step 2: Convert to fraction form
588,709,291.23/812,382,216.44 = 324,376,491.96/x - Step 3: Cross multiply
588,709,291.23x = 812,382,216.44 × 324,376,491.96 - Step 4: Simplify right side
588,709,291.23x = 263,517,693,497,874,720 - Step 5: Solve for x
x = 263,517,693,497,874,720/588,709,291.23 - Step 6: Final answer
x = 447,619,389.44
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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.