Home / 403,359,233.90-605,038,850.85-394,401,281.90

Finding the Fourth Proportional to 403,359,233.90, 605,038,850.85 and 394,401,281.90

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Solution

The fourth proportional to 403,359,233.90, 605,038,850.85 and 394,401,281.90 is: 591,601,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,359,233.90 : 605,038,850.85 = 394,401,281.90 : x
  2. Step 2: Convert to fraction form
    403,359,233.90/605,038,850.85 = 394,401,281.90/x
  3. Step 3: Cross multiply
    403,359,233.90x = 605,038,850.85 × 394,401,281.90
  4. Step 4: Simplify right side
    403,359,233.90x = 238,628,098,374,542,912
  5. Step 5: Solve for x
    x = 238,628,098,374,542,912/403,359,233.90
  6. Step 6: Final answer
    x = 591,601,922.85

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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.