Finding the Fourth Proportional to 3,400,894,739.70, 5,101,342,109.55 and 3,207,184,495.20
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Solution
The fourth proportional to 3,400,894,739.70, 5,101,342,109.55 and 3,207,184,495.20 is: 4,810,776,742.80
Step by Step Solution
- Step 1: Write the proportion equation
3,400,894,739.70 : 5,101,342,109.55 = 3,207,184,495.20 : x - Step 2: Convert to fraction form
3,400,894,739.70/5,101,342,109.55 = 3,207,184,495.20/x - Step 3: Cross multiply
3,400,894,739.70x = 5,101,342,109.55 × 3,207,184,495.20 - Step 4: Simplify right side
3,400,894,739.70x = 16,360,945,318,459,619,328 - Step 5: Solve for x
x = 16,360,945,318,459,619,328/3,400,894,739.70 - Step 6: Final answer
x = 4,810,776,742.80
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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.