Finding the Fourth Proportional to 1,831,133,816.40, 2,533,618,885.68 and 1,596,673,419.60
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Solution
The fourth proportional to 1,831,133,816.40, 2,533,618,885.68 and 1,596,673,419.60 is: 2,209,211,524.54
Step by Step Solution
- Step 1: Write the proportion equation
1,831,133,816.40 : 2,533,618,885.68 = 1,596,673,419.60 : x - Step 2: Convert to fraction form
1,831,133,816.40/2,533,618,885.68 = 1,596,673,419.60/x - Step 3: Cross multiply
1,831,133,816.40x = 2,533,618,885.68 × 1,596,673,419.60 - Step 4: Simplify right side
1,831,133,816.40x = 4,045,361,930,161,826,304 - Step 5: Solve for x
x = 4,045,361,930,161,826,304/1,831,133,816.40 - Step 6: Final answer
x = 2,209,211,524.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.