Finding the Fourth Proportional to 3,819,576,347.46, 5,271,015,602.55 and 2,125,994,534.18
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Solution
The fourth proportional to 3,819,576,347.46, 5,271,015,602.55 and 2,125,994,534.18 is: 2,933,872,592.45
Step by Step Solution
- Step 1: Write the proportion equation
3,819,576,347.46 : 5,271,015,602.55 = 2,125,994,534.18 : x - Step 2: Convert to fraction form
3,819,576,347.46/5,271,015,602.55 = 2,125,994,534.18/x - Step 3: Cross multiply
3,819,576,347.46x = 5,271,015,602.55 × 2,125,994,534.18 - Step 4: Simplify right side
3,819,576,347.46x = 11,206,150,360,585,590,784 - Step 5: Solve for x
x = 11,206,150,360,585,590,784/3,819,576,347.46 - Step 6: Final answer
x = 2,933,872,592.45
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1.5x scale
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.