Finding the Fourth Proportional to 292,218,744.53, 403,301,987.21 and 179,168,238.07
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Solution
The fourth proportional to 292,218,744.53, 403,301,987.21 and 179,168,238.07 is: 247,276,767.19
Step by Step Solution
- Step 1: Write the proportion equation
292,218,744.53 : 403,301,987.21 = 179,168,238.07 : x - Step 2: Convert to fraction form
292,218,744.53/403,301,987.21 = 179,168,238.07/x - Step 3: Cross multiply
292,218,744.53x = 403,301,987.21 × 179,168,238.07 - Step 4: Simplify right side
292,218,744.53x = 72,258,906,457,649,536 - Step 5: Solve for x
x = 72,258,906,457,649,536/292,218,744.53 - Step 6: Final answer
x = 247,276,767.19
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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.