Finding the Fourth Proportional to 446,919,927.17, 670,380,260.11 and 213,695,764.92
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Solution
The fourth proportional to 446,919,927.17, 670,380,260.11 and 213,695,764.92 is: 320,543,823.99
Step by Step Solution
- Step 1: Write the proportion equation
446,919,927.17 : 670,380,260.11 = 213,695,764.92 : x - Step 2: Convert to fraction form
446,919,927.17/670,380,260.11 = 213,695,764.92/x - Step 3: Cross multiply
446,919,927.17x = 670,380,260.11 × 213,695,764.92 - Step 4: Simplify right side
446,919,927.17x = 143,257,422,470,940,752 - Step 5: Solve for x
x = 143,257,422,470,940,752/446,919,927.17 - Step 6: Final answer
x = 320,543,823.99
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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.