Finding the Fourth Proportional to 2,555,887,526.70, 3,833,831,290.05 and 2,280,388,512.30
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Solution
The fourth proportional to 2,555,887,526.70, 3,833,831,290.05 and 2,280,388,512.30 is: 3,420,582,768.45
Step by Step Solution
- Step 1: Write the proportion equation
2,555,887,526.70 : 3,833,831,290.05 = 2,280,388,512.30 : x - Step 2: Convert to fraction form
2,555,887,526.70/3,833,831,290.05 = 2,280,388,512.30/x - Step 3: Cross multiply
2,555,887,526.70x = 3,833,831,290.05 × 2,280,388,512.30 - Step 4: Simplify right side
2,555,887,526.70x = 8,742,624,831,926,310,912 - Step 5: Solve for x
x = 8,742,624,831,926,310,912/2,555,887,526.70 - Step 6: Final answer
x = 3,420,582,768.45
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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.