Finding the Fourth Proportional to 10,081,926,532.70, 15,122,889,799.05 and 5,432,880,664.70
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Solution
The fourth proportional to 10,081,926,532.70, 15,122,889,799.05 and 5,432,880,664.70 is: 8,149,320,997.05
Step by Step Solution
- Step 1: Write the proportion equation
10,081,926,532.70 : 15,122,889,799.05 = 5,432,880,664.70 : x - Step 2: Convert to fraction form
10,081,926,532.70/15,122,889,799.05 = 5,432,880,664.70/x - Step 3: Cross multiply
10,081,926,532.70x = 15,122,889,799.05 × 5,432,880,664.70 - Step 4: Simplify right side
10,081,926,532.70x = 82,160,855,583,647,612,928 - Step 5: Solve for x
x = 82,160,855,583,647,612,928/10,081,926,532.70 - Step 6: Final answer
x = 8,149,320,997.05
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.