Home / 1,669,268,814.96-2,503,911,860.28-978,691,793.52

Finding the Fourth Proportional to 1,669,268,814.96, 2,503,911,860.28 and 978,691,793.52

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Solution

The fourth proportional to 1,669,268,814.96, 2,503,911,860.28 and 978,691,793.52 is: 1,468,042,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,268,814.96 : 2,503,911,860.28 = 978,691,793.52 : x
  2. Step 2: Convert to fraction form
    1,669,268,814.96/2,503,911,860.28 = 978,691,793.52/x
  3. Step 3: Cross multiply
    1,669,268,814.96x = 2,503,911,860.28 × 978,691,793.52
  4. Step 4: Simplify right side
    1,669,268,814.96x = 2,450,557,989,353,433,088
  5. Step 5: Solve for x
    x = 2,450,557,989,353,433,088/1,669,268,814.96
  6. Step 6: Final answer
    x = 1,468,042,754.64

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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.