Finding the Fourth Proportional to 1,474,353,014.97, 2,211,537,789.90 and 491,776,856.90
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Solution
The fourth proportional to 1,474,353,014.97, 2,211,537,789.90 and 491,776,856.90 is: 737,668,042.99
Step by Step Solution
- Step 1: Write the proportion equation
1,474,353,014.97 : 2,211,537,789.90 = 491,776,856.90 : x - Step 2: Convert to fraction form
1,474,353,014.97/2,211,537,789.90 = 491,776,856.90/x - Step 3: Cross multiply
1,474,353,014.97x = 2,211,537,789.90 × 491,776,856.90 - Step 4: Simplify right side
1,474,353,014.97x = 1,087,583,103,225,064,192 - Step 5: Solve for x
x = 1,087,583,103,225,064,192/1,474,353,014.97 - Step 6: Final answer
x = 737,668,042.99
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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.