Finding the Fourth Proportional to 872,807,040,976.28, 1,204,299,028,642.20 and 487,372,081,982.46
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Solution
The fourth proportional to 872,807,040,976.28, 1,204,299,028,642.20 and 487,372,081,982.46 is: 672,475,928,084.03
Step by Step Solution
- Step 1: Write the proportion equation
872,807,040,976.28 : 1,204,299,028,642.20 = 487,372,081,982.46 : x - Step 2: Convert to fraction form
872,807,040,976.28/1,204,299,028,642.20 = 487,372,081,982.46/x - Step 3: Cross multiply
872,807,040,976.28x = 1,204,299,028,642.20 × 487,372,081,982.46 - Step 4: Simplify right side
872,807,040,976.28x = 586,941,724,918,803,257,622,528 - Step 5: Solve for x
x = 586,941,724,918,803,257,622,528/872,807,040,976.28 - Step 6: Final answer
x = 672,475,928,084.03
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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.