Finding the Fourth Proportional to 5,647,019,482.90, 8,454,171,842.56 and 4,253,871,021.99
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Solution
The fourth proportional to 5,647,019,482.90, 8,454,171,842.56 and 4,253,871,021.99 is: 6,368,484,600.57
Step by Step Solution
- Step 1: Write the proportion equation
5,647,019,482.90 : 8,454,171,842.56 = 4,253,871,021.99 : x - Step 2: Convert to fraction form
5,647,019,482.90/8,454,171,842.56 = 4,253,871,021.99/x - Step 3: Cross multiply
5,647,019,482.90x = 8,454,171,842.56 × 4,253,871,021.99 - Step 4: Simplify right side
5,647,019,482.90x = 35,962,956,615,989,788,672 - Step 5: Solve for x
x = 35,962,956,615,989,788,672/5,647,019,482.90 - Step 6: Final answer
x = 6,368,484,600.57
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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.