Finding the Fourth Proportional to 3,330,228,194.83, 4,995,350,808.30 and 843,089,388.67
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Solution
The fourth proportional to 3,330,228,194.83, 4,995,350,808.30 and 843,089,388.67 is: 1,264,636,238.95
Step by Step Solution
- Step 1: Write the proportion equation
3,330,228,194.83 : 4,995,350,808.30 = 843,089,388.67 : x - Step 2: Convert to fraction form
3,330,228,194.83/4,995,350,808.30 = 843,089,388.67/x - Step 3: Cross multiply
3,330,228,194.83x = 4,995,350,808.30 × 843,089,388.67 - Step 4: Simplify right side
3,330,228,194.83x = 4,211,527,259,168,081,408 - Step 5: Solve for x
x = 4,211,527,259,168,081,408/3,330,228,194.83 - Step 6: Final answer
x = 1,264,636,238.95
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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.