Home / 1,036,825,499.21-1,555,239,745.65-423,409,724.96

Finding the Fourth Proportional to 1,036,825,499.21, 1,555,239,745.65 and 423,409,724.96

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Solution

The fourth proportional to 1,036,825,499.21, 1,555,239,745.65 and 423,409,724.96 is: 635,115,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,825,499.21 : 1,555,239,745.65 = 423,409,724.96 : x
  2. Step 2: Convert to fraction form
    1,036,825,499.21/1,555,239,745.65 = 423,409,724.96/x
  3. Step 3: Cross multiply
    1,036,825,499.21x = 1,555,239,745.65 × 423,409,724.96
  4. Step 4: Simplify right side
    1,036,825,499.21x = 658,503,632,944,750,720
  5. Step 5: Solve for x
    x = 658,503,632,944,750,720/1,036,825,499.21
  6. Step 6: Final answer
    x = 635,115,198.70

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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.