Home / 2,021,285,465.60-3,031,928,198.40-1,235,603,091.20

Finding the Fourth Proportional to 2,021,285,465.60, 3,031,928,198.40 and 1,235,603,091.20

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Solution

The fourth proportional to 2,021,285,465.60, 3,031,928,198.40 and 1,235,603,091.20 is: 1,853,404,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,285,465.60 : 3,031,928,198.40 = 1,235,603,091.20 : x
  2. Step 2: Convert to fraction form
    2,021,285,465.60/3,031,928,198.40 = 1,235,603,091.20/x
  3. Step 3: Cross multiply
    2,021,285,465.60x = 3,031,928,198.40 × 1,235,603,091.20
  4. Step 4: Simplify right side
    2,021,285,465.60x = 3,746,259,854,239,486,976
  5. Step 5: Solve for x
    x = 3,746,259,854,239,486,976/2,021,285,465.60
  6. Step 6: Final answer
    x = 1,853,404,636.80

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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.