Finding the Fourth Proportional to 2,664,657,556.86, 3,997,599,325.46 and 894,263,207.63
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Solution
The fourth proportional to 2,664,657,556.86, 3,997,599,325.46 and 894,263,207.63 is: 1,341,600,531.90
Step by Step Solution
- Step 1: Write the proportion equation
2,664,657,556.86 : 3,997,599,325.46 = 894,263,207.63 : x - Step 2: Convert to fraction form
2,664,657,556.86/3,997,599,325.46 = 894,263,207.63/x - Step 3: Cross multiply
2,664,657,556.86x = 3,997,599,325.46 × 894,263,207.63 - Step 4: Simplify right side
2,664,657,556.86x = 3,574,905,995,604,136,960 - Step 5: Solve for x
x = 3,574,905,995,604,136,960/2,664,657,556.86 - Step 6: Final answer
x = 1,341,600,531.90
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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.