Finding the Fourth Proportional to 7,432,160,144.99, 10,256,380,428.60 and 4,045,093,720.65
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Solution
The fourth proportional to 7,432,160,144.99, 10,256,380,428.60 and 4,045,093,720.65 is: 5,582,229,023.46
Step by Step Solution
- Step 1: Write the proportion equation
7,432,160,144.99 : 10,256,380,428.60 = 4,045,093,720.65 : x - Step 2: Convert to fraction form
7,432,160,144.99/10,256,380,428.60 = 4,045,093,720.65/x - Step 3: Cross multiply
7,432,160,144.99x = 10,256,380,428.60 × 4,045,093,720.65 - Step 4: Simplify right side
7,432,160,144.99x = 41,488,020,068,327,415,808 - Step 5: Solve for x
x = 41,488,020,068,327,415,808/7,432,160,144.99 - Step 6: Final answer
x = 5,582,229,023.46
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1.5x scale
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.