Finding the Fourth Proportional to 458,999,806.97, 633,442,207.42 and 258,119,902.60
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Solution
The fourth proportional to 458,999,806.97, 633,442,207.42 and 258,119,902.60 is: 356,218,103.80
Step by Step Solution
- Step 1: Write the proportion equation
458,999,806.97 : 633,442,207.42 = 258,119,902.60 : x - Step 2: Convert to fraction form
458,999,806.97/633,442,207.42 = 258,119,902.60/x - Step 3: Cross multiply
458,999,806.97x = 633,442,207.42 × 258,119,902.60 - Step 4: Simplify right side
458,999,806.97x = 163,504,040,881,979,392 - Step 5: Solve for x
x = 163,504,040,881,979,392/458,999,806.97 - Step 6: Final answer
x = 356,218,103.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.