Home / 1,683,978,452.28-2,324,176,998.12-979,538,775.75

Finding the Fourth Proportional to 1,683,978,452.28, 2,324,176,998.12 and 979,538,775.75

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Solution

The fourth proportional to 1,683,978,452.28, 2,324,176,998.12 and 979,538,775.75 is: 1,351,930,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,978,452.28 : 2,324,176,998.12 = 979,538,775.75 : x
  2. Step 2: Convert to fraction form
    1,683,978,452.28/2,324,176,998.12 = 979,538,775.75/x
  3. Step 3: Cross multiply
    1,683,978,452.28x = 2,324,176,998.12 × 979,538,775.75
  4. Step 4: Simplify right side
    1,683,978,452.28x = 2,276,621,491,364,774,656
  5. Step 5: Solve for x
    x = 2,276,621,491,364,774,656/1,683,978,452.28
  6. Step 6: Final answer
    x = 1,351,930,298.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.