Finding the Fourth Proportional to 432,309,134.26, 648,503,565.36 and 141,177,782.80
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Solution
The fourth proportional to 432,309,134.26, 648,503,565.36 and 141,177,782.80 is: 211,779,692.45
Step by Step Solution
- Step 1: Write the proportion equation
432,309,134.26 : 648,503,565.36 = 141,177,782.80 : x - Step 2: Convert to fraction form
432,309,134.26/648,503,565.36 = 141,177,782.80/x - Step 3: Cross multiply
432,309,134.26x = 648,503,565.36 × 141,177,782.80 - Step 4: Simplify right side
432,309,134.26x = 91,554,295,495,419,696 - Step 5: Solve for x
x = 91,554,295,495,419,696/432,309,134.26 - Step 6: Final answer
x = 211,779,692.45
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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.