Finding the Fourth Proportional to 382,648,805.70, 536,728,694.70 and 382,648,805.70
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Solution
The fourth proportional to 382,648,805.70, 536,728,694.70 and 382,648,805.70 is: 536,728,694.70
Step by Step Solution
- Step 1: Write the proportion equation
382,648,805.70 : 536,728,694.70 = 382,648,805.70 : x - Step 2: Convert to fraction form
382,648,805.70/536,728,694.70 = 382,648,805.70/x - Step 3: Cross multiply
382,648,805.70x = 536,728,694.70 × 382,648,805.70 - Step 4: Simplify right side
382,648,805.70x = 205,378,594,011,874,912 - Step 5: Solve for x
x = 205,378,594,011,874,912/382,648,805.70 - Step 6: Final answer
x = 536,728,694.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.