Home / 403,325,617.20-603,980,656.20-322,704,049.20

Finding the Fourth Proportional to 403,325,617.20, 603,980,656.20 and 322,704,049.20

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Solution

The fourth proportional to 403,325,617.20, 603,980,656.20 and 322,704,049.20 is: 483,249,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,325,617.20 : 603,980,656.20 = 322,704,049.20 : x
  2. Step 2: Convert to fraction form
    403,325,617.20/603,980,656.20 = 322,704,049.20/x
  3. Step 3: Cross multiply
    403,325,617.20x = 603,980,656.20 × 322,704,049.20
  4. Step 4: Simplify right side
    403,325,617.20x = 194,907,003,394,213,088
  5. Step 5: Solve for x
    x = 194,907,003,394,213,088/403,325,617.20
  6. Step 6: Final answer
    x = 483,249,749.29

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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.