Home / 768,690,626.20-1,152,923,964.90-223,375,298.20

Finding the Fourth Proportional to 768,690,626.20, 1,152,923,964.90 and 223,375,298.20

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Solution

The fourth proportional to 768,690,626.20, 1,152,923,964.90 and 223,375,298.20 is: 335,030,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,690,626.20 : 1,152,923,964.90 = 223,375,298.20 : x
  2. Step 2: Convert to fraction form
    768,690,626.20/1,152,923,964.90 = 223,375,298.20/x
  3. Step 3: Cross multiply
    768,690,626.20x = 1,152,923,964.90 × 223,375,298.20
  4. Step 4: Simplify right side
    768,690,626.20x = 257,534,734,461,463,840
  5. Step 5: Solve for x
    x = 257,534,734,461,463,840/768,690,626.20
  6. Step 6: Final answer
    x = 335,030,408.44

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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.