Finding the Fourth Proportional to 612,640,711, 845,449,576.92 and 334,183,472.92
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Solution
The fourth proportional to 612,640,711, 845,449,576.92 and 334,183,472.92 is: 461,176,135.90
Step by Step Solution
- Step 1: Write the proportion equation
612,640,711 : 845,449,576.92 = 334,183,472.92 : x - Step 2: Convert to fraction form
612,640,711/845,449,576.92 = 334,183,472.92/x - Step 3: Cross multiply
612,640,711x = 845,449,576.92 × 334,183,472.92 - Step 4: Simplify right side
612,640,711x = 282,535,275,793,870,272 - Step 5: Solve for x
x = 282,535,275,793,870,272/612,640,711 - Step 6: Final answer
x = 461,176,135.90
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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.