Home / 1,309,469,928.11-1,964,186,391.97-609,570,601.03

Finding the Fourth Proportional to 1,309,469,928.11, 1,964,186,391.97 and 609,570,601.03

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Solution

The fourth proportional to 1,309,469,928.11, 1,964,186,391.97 and 609,570,601.03 is: 914,347,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,469,928.11 : 1,964,186,391.97 = 609,570,601.03 : x
  2. Step 2: Convert to fraction form
    1,309,469,928.11/1,964,186,391.97 = 609,570,601.03/x
  3. Step 3: Cross multiply
    1,309,469,928.11x = 1,964,186,391.97 × 609,570,601.03
  4. Step 4: Simplify right side
    1,309,469,928.11x = 1,197,310,279,476,875,776
  5. Step 5: Solve for x
    x = 1,197,310,279,476,875,776/1,309,469,928.11
  6. Step 6: Final answer
    x = 914,347,289.52

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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.