Finding the Fourth Proportional to 3,409,992,340.12, 4,705,789,388.25 and 1,845,430,036.12
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Solution
The fourth proportional to 3,409,992,340.12, 4,705,789,388.25 and 1,845,430,036.12 is: 2,546,693,427.59
Step by Step Solution
- Step 1: Write the proportion equation
3,409,992,340.12 : 4,705,789,388.25 = 1,845,430,036.12 : x - Step 2: Convert to fraction form
3,409,992,340.12/4,705,789,388.25 = 1,845,430,036.12/x - Step 3: Cross multiply
3,409,992,340.12x = 4,705,789,388.25 × 1,845,430,036.12 - Step 4: Simplify right side
3,409,992,340.12x = 8,684,205,080,731,310,080 - Step 5: Solve for x
x = 8,684,205,080,731,310,080/3,409,992,340.12 - Step 6: Final answer
x = 2,546,693,427.59
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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.