Finding the Fourth Proportional to 3,539,664,955.80, 5,315,544,051.30 and 2,318,248,200.60
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Solution
The fourth proportional to 3,539,664,955.80, 5,315,544,051.30 and 2,318,248,200.60 is: 3,481,332,438.52
Step by Step Solution
- Step 1: Write the proportion equation
3,539,664,955.80 : 5,315,544,051.30 = 2,318,248,200.60 : x - Step 2: Convert to fraction form
3,539,664,955.80/5,315,544,051.30 = 2,318,248,200.60/x - Step 3: Cross multiply
3,539,664,955.80x = 5,315,544,051.30 × 2,318,248,200.60 - Step 4: Simplify right side
3,539,664,955.80x = 12,322,750,432,136,259,584 - Step 5: Solve for x
x = 12,322,750,432,136,259,584/3,539,664,955.80 - Step 6: Final answer
x = 3,481,332,438.52
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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.