Finding the Fourth Proportional to 2,125,765,806.30, 3,188,648,709.45 and 2,039,672,364.30
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Solution
The fourth proportional to 2,125,765,806.30, 3,188,648,709.45 and 2,039,672,364.30 is: 3,059,508,546.45
Step by Step Solution
- Step 1: Write the proportion equation
2,125,765,806.30 : 3,188,648,709.45 = 2,039,672,364.30 : x - Step 2: Convert to fraction form
2,125,765,806.30/3,188,648,709.45 = 2,039,672,364.30/x - Step 3: Cross multiply
2,125,765,806.30x = 3,188,648,709.45 × 2,039,672,364.30 - Step 4: Simplify right side
2,125,765,806.30x = 6,503,798,652,126,024,704 - Step 5: Solve for x
x = 6,503,798,652,126,024,704/2,125,765,806.30 - Step 6: Final answer
x = 3,059,508,546.45
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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.