Finding the Fourth Proportional to 2,905,465,818.64, 4,358,170,008.60 and 1,331,126,559.76
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Solution
The fourth proportional to 2,905,465,818.64, 4,358,170,008.60 and 1,331,126,559.76 is: 1,996,676,681.99
Step by Step Solution
- Step 1: Write the proportion equation
2,905,465,818.64 : 4,358,170,008.60 = 1,331,126,559.76 : x - Step 2: Convert to fraction form
2,905,465,818.64/4,358,170,008.60 = 1,331,126,559.76/x - Step 3: Cross multiply
2,905,465,818.64x = 4,358,170,008.60 × 1,331,126,559.76 - Step 4: Simplify right side
2,905,465,818.64x = 5,801,275,850,396,928,000 - Step 5: Solve for x
x = 5,801,275,850,396,928,000/2,905,465,818.64 - Step 6: Final answer
x = 1,996,676,681.99
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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.