Finding the Fourth Proportional to 3,346,420,233.60, 5,019,630,350.40 and 2,979,088,214.40
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Solution
The fourth proportional to 3,346,420,233.60, 5,019,630,350.40 and 2,979,088,214.40 is: 4,468,632,321.60
Step by Step Solution
- Step 1: Write the proportion equation
3,346,420,233.60 : 5,019,630,350.40 = 2,979,088,214.40 : x - Step 2: Convert to fraction form
3,346,420,233.60/5,019,630,350.40 = 2,979,088,214.40/x - Step 3: Cross multiply
3,346,420,233.60x = 5,019,630,350.40 × 2,979,088,214.40 - Step 4: Simplify right side
3,346,420,233.60x = 14,953,921,617,521,180,672 - Step 5: Solve for x
x = 14,953,921,617,521,180,672/3,346,420,233.60 - Step 6: Final answer
x = 4,468,632,321.60
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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.