Finding the Fourth Proportional to 3,005,451,466.14, 4,145,799,854.88 and 1,874,457,684.84
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Solution
The fourth proportional to 3,005,451,466.14, 4,145,799,854.88 and 1,874,457,684.84 is: 2,585,676,889.26
Step by Step Solution
- Step 1: Write the proportion equation
3,005,451,466.14 : 4,145,799,854.88 = 1,874,457,684.84 : x - Step 2: Convert to fraction form
3,005,451,466.14/4,145,799,854.88 = 1,874,457,684.84/x - Step 3: Cross multiply
3,005,451,466.14x = 4,145,799,854.88 × 1,874,457,684.84 - Step 4: Simplify right side
3,005,451,466.14x = 7,771,126,397,788,372,992 - Step 5: Solve for x
x = 7,771,126,397,788,372,992/3,005,451,466.14 - Step 6: Final answer
x = 2,585,676,889.26
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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.