Finding the Fourth Proportional to 4,584,686,435.20, 6,861,157,281.60 and 2,745,758,857.60
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Solution
The fourth proportional to 4,584,686,435.20, 6,861,157,281.60 and 2,745,758,857.60 is: 4,109,132,357.38
Step by Step Solution
- Step 1: Write the proportion equation
4,584,686,435.20 : 6,861,157,281.60 = 2,745,758,857.60 : x - Step 2: Convert to fraction form
4,584,686,435.20/6,861,157,281.60 = 2,745,758,857.60/x - Step 3: Cross multiply
4,584,686,435.20x = 6,861,157,281.60 × 2,745,758,857.60 - Step 4: Simplify right side
4,584,686,435.20x = 18,839,083,379,339,939,840 - Step 5: Solve for x
x = 18,839,083,379,339,939,840/4,584,686,435.20 - Step 6: Final answer
x = 4,109,132,357.38
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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.