Finding the Fourth Proportional to 306,765,523.24, 423,346,867.65 and 181,425,163.39
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Solution
The fourth proportional to 306,765,523.24, 423,346,867.65 and 181,425,163.39 is: 250,372,903.13
Step by Step Solution
- Step 1: Write the proportion equation
306,765,523.24 : 423,346,867.65 = 181,425,163.39 : x - Step 2: Convert to fraction form
306,765,523.24/423,346,867.65 = 181,425,163.39/x - Step 3: Cross multiply
306,765,523.24x = 423,346,867.65 × 181,425,163.39 - Step 4: Simplify right side
306,765,523.24x = 76,805,774,632,987,584 - Step 5: Solve for x
x = 76,805,774,632,987,584/306,765,523.24 - Step 6: Final answer
x = 250,372,903.13
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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.