Home / 403,546,914.90-605,320,372.35-305,974,347.30

Finding the Fourth Proportional to 403,546,914.90, 605,320,372.35 and 305,974,347.30

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Solution

The fourth proportional to 403,546,914.90, 605,320,372.35 and 305,974,347.30 is: 458,961,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,546,914.90 : 605,320,372.35 = 305,974,347.30 : x
  2. Step 2: Convert to fraction form
    403,546,914.90/605,320,372.35 = 305,974,347.30/x
  3. Step 3: Cross multiply
    403,546,914.90x = 605,320,372.35 × 305,974,347.30
  4. Step 4: Simplify right side
    403,546,914.90x = 185,212,505,837,184,224
  5. Step 5: Solve for x
    x = 185,212,505,837,184,224/403,546,914.90
  6. Step 6: Final answer
    x = 458,961,520.95

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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.