Home / 1,509,139,101.52-2,263,954,351.61-445,669,517.80

Finding the Fourth Proportional to 1,509,139,101.52, 2,263,954,351.61 and 445,669,517.80

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Solution

The fourth proportional to 1,509,139,101.52, 2,263,954,351.61 and 445,669,517.80 is: 668,576,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,139,101.52 : 2,263,954,351.61 = 445,669,517.80 : x
  2. Step 2: Convert to fraction form
    1,509,139,101.52/2,263,954,351.61 = 445,669,517.80/x
  3. Step 3: Cross multiply
    1,509,139,101.52x = 2,263,954,351.61 × 445,669,517.80
  4. Step 4: Simplify right side
    1,509,139,101.52x = 1,008,975,444,203,240,448
  5. Step 5: Solve for x
    x = 1,008,975,444,203,240,448/1,509,139,101.52
  6. Step 6: Final answer
    x = 668,576,835.09

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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.