Finding the Fourth Proportional to 1,474,353,103.79, 2,211,537,923.11 and 491,776,945.76
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Solution
The fourth proportional to 1,474,353,103.79, 2,211,537,923.11 and 491,776,945.76 is: 737,668,176.28
Step by Step Solution
- Step 1: Write the proportion equation
1,474,353,103.79 : 2,211,537,923.11 = 491,776,945.76 : x - Step 2: Convert to fraction form
1,474,353,103.79/2,211,537,923.11 = 491,776,945.76/x - Step 3: Cross multiply
1,474,353,103.79x = 2,211,537,923.11 × 491,776,945.76 - Step 4: Simplify right side
1,474,353,103.79x = 1,087,583,365,265,568,384 - Step 5: Solve for x
x = 1,087,583,365,265,568,384/1,474,353,103.79 - Step 6: Final answer
x = 737,668,176.28
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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.