Home / 2,113,617,868.72-3,169,170,833.28-803,615,813.44

Finding the Fourth Proportional to 2,113,617,868.72, 3,169,170,833.28 and 803,615,813.44

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Solution

The fourth proportional to 2,113,617,868.72, 3,169,170,833.28 and 803,615,813.44 is: 1,204,946,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,617,868.72 : 3,169,170,833.28 = 803,615,813.44 : x
  2. Step 2: Convert to fraction form
    2,113,617,868.72/3,169,170,833.28 = 803,615,813.44/x
  3. Step 3: Cross multiply
    2,113,617,868.72x = 3,169,170,833.28 × 803,615,813.44
  4. Step 4: Simplify right side
    2,113,617,868.72x = 2,546,795,797,116,630,016
  5. Step 5: Solve for x
    x = 2,546,795,797,116,630,016/2,113,617,868.72
  6. Step 6: Final answer
    x = 1,204,946,189.57

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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.