Home / 1,419,987,125.80-2,128,972,919.10-546,250,882.60

Finding the Fourth Proportional to 1,419,987,125.80, 2,128,972,919.10 and 546,250,882.60

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Solution

The fourth proportional to 1,419,987,125.80, 2,128,972,919.10 and 546,250,882.60 is: 818,988,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,987,125.80 : 2,128,972,919.10 = 546,250,882.60 : x
  2. Step 2: Convert to fraction form
    1,419,987,125.80/2,128,972,919.10 = 546,250,882.60/x
  3. Step 3: Cross multiply
    1,419,987,125.80x = 2,128,972,919.10 × 546,250,882.60
  4. Step 4: Simplify right side
    1,419,987,125.80x = 1,162,953,336,089,873,408
  5. Step 5: Solve for x
    x = 1,162,953,336,089,873,408/1,419,987,125.80
  6. Step 6: Final answer
    x = 818,988,647.83

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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.