Finding the Fourth Proportional to 418,436,227.23, 577,201,538.84 and 261,531,027.87
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Solution
The fourth proportional to 418,436,227.23, 577,201,538.84 and 261,531,027.87 is: 360,762,529.43
Step by Step Solution
- Step 1: Write the proportion equation
418,436,227.23 : 577,201,538.84 = 261,531,027.87 : x - Step 2: Convert to fraction form
418,436,227.23/577,201,538.84 = 261,531,027.87/x - Step 3: Cross multiply
418,436,227.23x = 577,201,538.84 × 261,531,027.87 - Step 4: Simplify right side
418,436,227.23x = 150,956,111,739,663,296 - Step 5: Solve for x
x = 150,956,111,739,663,296/418,436,227.23 - Step 6: Final answer
x = 360,762,529.43
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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.