Finding the Fourth Proportional to 418,436,226.73, 577,201,538.14 and 261,531,027.37
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Solution
The fourth proportional to 418,436,226.73, 577,201,538.14 and 261,531,027.37 is: 360,762,528.73
Step by Step Solution
- Step 1: Write the proportion equation
418,436,226.73 : 577,201,538.14 = 261,531,027.37 : x - Step 2: Convert to fraction form
418,436,226.73/577,201,538.14 = 261,531,027.37/x - Step 3: Cross multiply
418,436,226.73x = 577,201,538.14 × 261,531,027.37 - Step 4: Simplify right side
418,436,226.73x = 150,956,111,269,298,432 - Step 5: Solve for x
x = 150,956,111,269,298,432/418,436,226.73 - Step 6: Final answer
x = 360,762,528.73
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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.