Home / 409,451,912.40-614,177,868.60-179,869,400.40

Finding the Fourth Proportional to 409,451,912.40, 614,177,868.60 and 179,869,400.40

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Solution

The fourth proportional to 409,451,912.40, 614,177,868.60 and 179,869,400.40 is: 269,804,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,451,912.40 : 614,177,868.60 = 179,869,400.40 : x
  2. Step 2: Convert to fraction form
    409,451,912.40/614,177,868.60 = 179,869,400.40/x
  3. Step 3: Cross multiply
    409,451,912.40x = 614,177,868.60 × 179,869,400.40
  4. Step 4: Simplify right side
    409,451,912.40x = 110,471,804,964,032,000
  5. Step 5: Solve for x
    x = 110,471,804,964,032,000/409,451,912.40
  6. Step 6: Final answer
    x = 269,804,100.60

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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.