Home / 800,223,899.20-1,199,664,002.40-417,271,451.20

Finding the Fourth Proportional to 800,223,899.20, 1,199,664,002.40 and 417,271,451.20

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Solution

The fourth proportional to 800,223,899.20, 1,199,664,002.40 and 417,271,451.20 is: 625,556,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,223,899.20 : 1,199,664,002.40 = 417,271,451.20 : x
  2. Step 2: Convert to fraction form
    800,223,899.20/1,199,664,002.40 = 417,271,451.20/x
  3. Step 3: Cross multiply
    800,223,899.20x = 1,199,664,002.40 × 417,271,451.20
  4. Step 4: Simplify right side
    800,223,899.20x = 500,585,539,233,848,320
  5. Step 5: Solve for x
    x = 500,585,539,233,848,320/800,223,899.20
  6. Step 6: Final answer
    x = 625,556,846.95

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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.