Finding the Fourth Proportional to 2,798,086,190.20, 4,197,129,285.30 and 1,161,468,359.80
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Solution
The fourth proportional to 2,798,086,190.20, 4,197,129,285.30 and 1,161,468,359.80 is: 1,742,202,539.70
Step by Step Solution
- Step 1: Write the proportion equation
2,798,086,190.20 : 4,197,129,285.30 = 1,161,468,359.80 : x - Step 2: Convert to fraction form
2,798,086,190.20/4,197,129,285.30 = 1,161,468,359.80/x - Step 3: Cross multiply
2,798,086,190.20x = 4,197,129,285.30 × 1,161,468,359.80 - Step 4: Simplify right side
2,798,086,190.20x = 4,874,832,866,865,937,408 - Step 5: Solve for x
x = 4,874,832,866,865,937,408/2,798,086,190.20 - Step 6: Final answer
x = 1,742,202,539.70
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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.