Finding the Fourth Proportional to 3,779,145,416.40, 5,668,718,124.60 and 2,399,949,733.20
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Solution
The fourth proportional to 3,779,145,416.40, 5,668,718,124.60 and 2,399,949,733.20 is: 3,599,924,599.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,145,416.40 : 5,668,718,124.60 = 2,399,949,733.20 : x - Step 2: Convert to fraction form
3,779,145,416.40/5,668,718,124.60 = 2,399,949,733.20/x - Step 3: Cross multiply
3,779,145,416.40x = 5,668,718,124.60 × 2,399,949,733.20 - Step 4: Simplify right side
3,779,145,416.40x = 13,604,638,550,719,774,720 - Step 5: Solve for x
x = 13,604,638,550,719,774,720/3,779,145,416.40 - Step 6: Final answer
x = 3,599,924,599.80
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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.