Finding the Fourth Proportional to 5,441,258,762.20, 8,161,888,143.30 and 2,686,268,618.20
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Solution
The fourth proportional to 5,441,258,762.20, 8,161,888,143.30 and 2,686,268,618.20 is: 4,029,402,927.30
Step by Step Solution
- Step 1: Write the proportion equation
5,441,258,762.20 : 8,161,888,143.30 = 2,686,268,618.20 : x - Step 2: Convert to fraction form
5,441,258,762.20/8,161,888,143.30 = 2,686,268,618.20/x - Step 3: Cross multiply
5,441,258,762.20x = 8,161,888,143.30 × 2,686,268,618.20 - Step 4: Simplify right side
5,441,258,762.20x = 21,925,023,984,605,454,336 - Step 5: Solve for x
x = 21,925,023,984,605,454,336/5,441,258,762.20 - Step 6: Final answer
x = 4,029,402,927.30
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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.