Finding the Fourth Proportional to 2,511,446,846.25, 3,466,126,670.99 and 1,440,169,406.85
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Solution
The fourth proportional to 2,511,446,846.25, 3,466,126,670.99 and 1,440,169,406.85 is: 1,987,623,030.64
Step by Step Solution
- Step 1: Write the proportion equation
2,511,446,846.25 : 3,466,126,670.99 = 1,440,169,406.85 : x - Step 2: Convert to fraction form
2,511,446,846.25/3,466,126,670.99 = 1,440,169,406.85/x - Step 3: Cross multiply
2,511,446,846.25x = 3,466,126,670.99 × 1,440,169,406.85 - Step 4: Simplify right side
2,511,446,846.25x = 4,991,809,591,826,632,704 - Step 5: Solve for x
x = 4,991,809,591,826,632,704/2,511,446,846.25 - Step 6: Final answer
x = 1,987,623,030.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.