Home / 3,085,786,201.20-4,258,419,378.24-1,815,907,858.80

Finding the Fourth Proportional to 3,085,786,201.20, 4,258,419,378.24 and 1,815,907,858.80

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Solution

The fourth proportional to 3,085,786,201.20, 4,258,419,378.24 and 1,815,907,858.80 is: 2,505,973,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,786,201.20 : 4,258,419,378.24 = 1,815,907,858.80 : x
  2. Step 2: Convert to fraction form
    3,085,786,201.20/4,258,419,378.24 = 1,815,907,858.80/x
  3. Step 3: Cross multiply
    3,085,786,201.20x = 4,258,419,378.24 × 1,815,907,858.80
  4. Step 4: Simplify right side
    3,085,786,201.20x = 7,732,897,215,012,225,024
  5. Step 5: Solve for x
    x = 7,732,897,215,012,225,024/3,085,786,201.20
  6. Step 6: Final answer
    x = 2,505,973,100.80

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1.5x scale

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.