Finding the Fourth Proportional to 588,709,283.38, 812,382,205.57 and 324,376,484.09
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Solution
The fourth proportional to 588,709,283.38, 812,382,205.57 and 324,376,484.09 is: 447,619,378.56
Step by Step Solution
- Step 1: Write the proportion equation
588,709,283.38 : 812,382,205.57 = 324,376,484.09 : x - Step 2: Convert to fraction form
588,709,283.38/812,382,205.57 = 324,376,484.09/x - Step 3: Cross multiply
588,709,283.38x = 812,382,205.57 × 324,376,484.09 - Step 4: Simplify right side
588,709,283.38x = 263,517,683,575,203,328 - Step 5: Solve for x
x = 263,517,683,575,203,328/588,709,283.38 - Step 6: Final answer
x = 447,619,378.56
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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.