Finding the Fourth Proportional to 2,162,739,126.26, 3,244,234,299.74 and 834,774,749.12
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Solution
The fourth proportional to 2,162,739,126.26, 3,244,234,299.74 and 834,774,749.12 is: 1,252,210,606.80
Step by Step Solution
- Step 1: Write the proportion equation
2,162,739,126.26 : 3,244,234,299.74 = 834,774,749.12 : x - Step 2: Convert to fraction form
2,162,739,126.26/3,244,234,299.74 = 834,774,749.12/x - Step 3: Cross multiply
2,162,739,126.26x = 3,244,234,299.74 × 834,774,749.12 - Step 4: Simplify right side
2,162,739,126.26x = 2,708,204,873,651,957,248 - Step 5: Solve for x
x = 2,708,204,873,651,957,248/2,162,739,126.26 - Step 6: Final answer
x = 1,252,210,606.80
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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.