Finding the Fourth Proportional to 7,788,359,919.70, 11,682,539,879.55 and 2,267,798,050.90
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Solution
The fourth proportional to 7,788,359,919.70, 11,682,539,879.55 and 2,267,798,050.90 is: 3,401,697,076.35
Step by Step Solution
- Step 1: Write the proportion equation
7,788,359,919.70 : 11,682,539,879.55 = 2,267,798,050.90 : x - Step 2: Convert to fraction form
7,788,359,919.70/11,682,539,879.55 = 2,267,798,050.90/x - Step 3: Cross multiply
7,788,359,919.70x = 11,682,539,879.55 × 2,267,798,050.90 - Step 4: Simplify right side
7,788,359,919.70x = 26,493,641,168,405,008,384 - Step 5: Solve for x
x = 26,493,641,168,405,008,384/7,788,359,919.70 - Step 6: Final answer
x = 3,401,697,076.35
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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.