Finding the Fourth Proportional to 486,505,027.98, 730,023,206.04 and 206,342,365.44
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Solution
The fourth proportional to 486,505,027.98, 730,023,206.04 and 206,342,365.44 is: 309,626,224.80
Step by Step Solution
- Step 1: Write the proportion equation
486,505,027.98 : 730,023,206.04 = 206,342,365.44 : x - Step 2: Convert to fraction form
486,505,027.98/730,023,206.04 = 206,342,365.44/x - Step 3: Cross multiply
486,505,027.98x = 730,023,206.04 × 206,342,365.44 - Step 4: Simplify right side
486,505,027.98x = 150,634,715,160,386,080 - Step 5: Solve for x
x = 150,634,715,160,386,080/486,505,027.98 - Step 6: Final answer
x = 309,626,224.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.