Finding the Fourth Proportional to 1,846,142,756.70, 2,769,214,135.05 and 553,678,244.70
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Solution
The fourth proportional to 1,846,142,756.70, 2,769,214,135.05 and 553,678,244.70 is: 830,517,367.05
Step by Step Solution
- Step 1: Write the proportion equation
1,846,142,756.70 : 2,769,214,135.05 = 553,678,244.70 : x - Step 2: Convert to fraction form
1,846,142,756.70/2,769,214,135.05 = 553,678,244.70/x - Step 3: Cross multiply
1,846,142,756.70x = 2,769,214,135.05 × 553,678,244.70 - Step 4: Simplify right side
1,846,142,756.70x = 1,533,253,621,492,912,896 - Step 5: Solve for x
x = 1,533,253,621,492,912,896/1,846,142,756.70 - Step 6: Final answer
x = 830,517,367.05
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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.