Finding the Fourth Proportional to 8,503,288,215.80, 12,754,932,323.70 and 2,687,197,911.80
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Solution
The fourth proportional to 8,503,288,215.80, 12,754,932,323.70 and 2,687,197,911.80 is: 4,030,796,867.70
Step by Step Solution
- Step 1: Write the proportion equation
8,503,288,215.80 : 12,754,932,323.70 = 2,687,197,911.80 : x - Step 2: Convert to fraction form
8,503,288,215.80/12,754,932,323.70 = 2,687,197,911.80/x - Step 3: Cross multiply
8,503,288,215.80x = 12,754,932,323.70 × 2,687,197,911.80 - Step 4: Simplify right side
8,503,288,215.80x = 34,275,027,505,396,965,376 - Step 5: Solve for x
x = 34,275,027,505,396,965,376/8,503,288,215.80 - Step 6: Final answer
x = 4,030,796,867.70
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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.