Finding the Fourth Proportional to 823,686,257.92, 1,136,757,136.72 and 466,517,567.84
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Solution
The fourth proportional to 823,686,257.92, 1,136,757,136.72 and 466,517,567.84 is: 643,833,947.15
Step by Step Solution
- Step 1: Write the proportion equation
823,686,257.92 : 1,136,757,136.72 = 466,517,567.84 : x - Step 2: Convert to fraction form
823,686,257.92/1,136,757,136.72 = 466,517,567.84/x - Step 3: Cross multiply
823,686,257.92x = 1,136,757,136.72 × 466,517,567.84 - Step 4: Simplify right side
823,686,257.92x = 530,317,174,647,376,768 - Step 5: Solve for x
x = 530,317,174,647,376,768/823,686,257.92 - Step 6: Final answer
x = 643,833,947.15
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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.