Finding the Fourth Proportional to 432,309,133.26, 648,503,563.86 and 141,177,781.80
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Solution
The fourth proportional to 432,309,133.26, 648,503,563.86 and 141,177,781.80 is: 211,779,690.95
Step by Step Solution
- Step 1: Write the proportion equation
432,309,133.26 : 648,503,563.86 = 141,177,781.80 : x - Step 2: Convert to fraction form
432,309,133.26/648,503,563.86 = 141,177,781.80/x - Step 3: Cross multiply
432,309,133.26x = 648,503,563.86 × 141,177,781.80 - Step 4: Simplify right side
432,309,133.26x = 91,554,294,635,149,456 - Step 5: Solve for x
x = 91,554,294,635,149,456/432,309,133.26 - Step 6: Final answer
x = 211,779,690.95
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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.