Home / 2,568,939,483.64-3,853,080,519.18-821,996,076.28

Finding the Fourth Proportional to 2,568,939,483.64, 3,853,080,519.18 and 821,996,076.28

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Solution

The fourth proportional to 2,568,939,483.64, 3,853,080,519.18 and 821,996,076.28 is: 1,232,888,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,939,483.64 : 3,853,080,519.18 = 821,996,076.28 : x
  2. Step 2: Convert to fraction form
    2,568,939,483.64/3,853,080,519.18 = 821,996,076.28/x
  3. Step 3: Cross multiply
    2,568,939,483.64x = 3,853,080,519.18 × 821,996,076.28
  4. Step 4: Simplify right side
    2,568,939,483.64x = 3,167,217,068,356,865,024
  5. Step 5: Solve for x
    x = 3,167,217,068,356,865,024/2,568,939,483.64
  6. Step 6: Final answer
    x = 1,232,888,936.67

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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.