Home / 449,908,749.30-674,915,611.95-143,231,862.90

Finding the Fourth Proportional to 449,908,749.30, 674,915,611.95 and 143,231,862.90

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Solution

The fourth proportional to 449,908,749.30, 674,915,611.95 and 143,231,862.90 is: 214,864,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,908,749.30 : 674,915,611.95 = 143,231,862.90 : x
  2. Step 2: Convert to fraction form
    449,908,749.30/674,915,611.95 = 143,231,862.90/x
  3. Step 3: Cross multiply
    449,908,749.30x = 674,915,611.95 × 143,231,862.90
  4. Step 4: Simplify right side
    449,908,749.30x = 96,669,420,399,892,016
  5. Step 5: Solve for x
    x = 96,669,420,399,892,016/449,908,749.30
  6. Step 6: Final answer
    x = 214,864,504.30

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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.