Finding the Fourth Proportional to 394,425,672.84, 544,303,392.84 and 218,214,929.34
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Solution
The fourth proportional to 394,425,672.84, 544,303,392.84 and 218,214,929.34 is: 301,134,369.76
Step by Step Solution
- Step 1: Write the proportion equation
394,425,672.84 : 544,303,392.84 = 218,214,929.34 : x - Step 2: Convert to fraction form
394,425,672.84/544,303,392.84 = 218,214,929.34/x - Step 3: Cross multiply
394,425,672.84x = 544,303,392.84 × 218,214,929.34 - Step 4: Simplify right side
394,425,672.84x = 118,775,126,408,102,864 - Step 5: Solve for x
x = 118,775,126,408,102,864/394,425,672.84 - Step 6: Final answer
x = 301,134,369.76
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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.