Finding the Fourth Proportional to 394,358,735.76, 544,167,642.96 and 227,149,377.84
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Solution
The fourth proportional to 394,358,735.76, 544,167,642.96 and 227,149,377.84 is: 313,438,832.03
Step by Step Solution
- Step 1: Write the proportion equation
394,358,735.76 : 544,167,642.96 = 227,149,377.84 : x - Step 2: Convert to fraction form
394,358,735.76/544,167,642.96 = 227,149,377.84/x - Step 3: Cross multiply
394,358,735.76x = 544,167,642.96 × 227,149,377.84 - Step 4: Simplify right side
394,358,735.76x = 123,607,341,539,023,264 - Step 5: Solve for x
x = 123,607,341,539,023,264/394,358,735.76 - Step 6: Final answer
x = 313,438,832.03
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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.