Finding the Fourth Proportional to 7,639,432,760.66, 11,458,492,736.43 and 4,650,720,201.14
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Solution
The fourth proportional to 7,639,432,760.66, 11,458,492,736.43 and 4,650,720,201.14 is: 6,975,680,696.92
Step by Step Solution
- Step 1: Write the proportion equation
7,639,432,760.66 : 11,458,492,736.43 = 4,650,720,201.14 : x - Step 2: Convert to fraction form
7,639,432,760.66/11,458,492,736.43 = 4,650,720,201.14/x - Step 3: Cross multiply
7,639,432,760.66x = 11,458,492,736.43 × 4,650,720,201.14 - Step 4: Simplify right side
7,639,432,760.66x = 53,290,243,643,930,959,872 - Step 5: Solve for x
x = 53,290,243,643,930,959,872/7,639,432,760.66 - Step 6: Final answer
x = 6,975,680,696.92
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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.