Finding the Fourth Proportional to 4,831,213,200.90, 7,246,819,801.35 and 2,506,690,266.90
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Solution
The fourth proportional to 4,831,213,200.90, 7,246,819,801.35 and 2,506,690,266.90 is: 3,760,035,400.35
Step by Step Solution
- Step 1: Write the proportion equation
4,831,213,200.90 : 7,246,819,801.35 = 2,506,690,266.90 : x - Step 2: Convert to fraction form
4,831,213,200.90/7,246,819,801.35 = 2,506,690,266.90/x - Step 3: Cross multiply
4,831,213,200.90x = 7,246,819,801.35 × 2,506,690,266.90 - Step 4: Simplify right side
4,831,213,200.90x = 18,165,532,662,022,238,208 - Step 5: Solve for x
x = 18,165,532,662,022,238,208/4,831,213,200.90 - Step 6: Final answer
x = 3,760,035,400.35
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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.