Finding the Fourth Proportional to 252,801,244.80, 378,634,996.80 and 207,451,612.80
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Solution
The fourth proportional to 252,801,244.80, 378,634,996.80 and 207,451,612.80 is: 310,712,238.82
Step by Step Solution
- Step 1: Write the proportion equation
252,801,244.80 : 378,634,996.80 = 207,451,612.80 : x - Step 2: Convert to fraction form
252,801,244.80/378,634,996.80 = 207,451,612.80/x - Step 3: Cross multiply
252,801,244.80x = 378,634,996.80 × 207,451,612.80 - Step 4: Simplify right side
252,801,244.80x = 78,548,440,748,682,848 - Step 5: Solve for x
x = 78,548,440,748,682,848/252,801,244.80 - Step 6: Final answer
x = 310,712,238.82
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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.