Finding the Fourth Proportional to 1,370,759,505,092, 1,891,622,668,769.50 and 753,449,026,422.68
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Solution
The fourth proportional to 1,370,759,505,092, 1,891,622,668,769.50 and 753,449,026,422.68 is: 1,039,745,668,623.17
Step by Step Solution
- Step 1: Write the proportion equation
1,370,759,505,092 : 1,891,622,668,769.50 = 753,449,026,422.68 : x - Step 2: Convert to fraction form
1,370,759,505,092/1,891,622,668,769.50 = 753,449,026,422.68/x - Step 3: Cross multiply
1,370,759,505,092x = 1,891,622,668,769.50 × 753,449,026,422.68 - Step 4: Simplify right side
1,370,759,505,092x = 1,425,241,258,143,451,675,885,568 - Step 5: Solve for x
x = 1,425,241,258,143,451,675,885,568/1,370,759,505,092 - Step 6: Final answer
x = 1,039,745,668,623.17
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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.