Home / 403,359,252.90-605,038,879.35-394,401,300.90

Finding the Fourth Proportional to 403,359,252.90, 605,038,879.35 and 394,401,300.90

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Solution

The fourth proportional to 403,359,252.90, 605,038,879.35 and 394,401,300.90 is: 591,601,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,359,252.90 : 605,038,879.35 = 394,401,300.90 : x
  2. Step 2: Convert to fraction form
    403,359,252.90/605,038,879.35 = 394,401,300.90/x
  3. Step 3: Cross multiply
    403,359,252.90x = 605,038,879.35 × 394,401,300.90
  4. Step 4: Simplify right side
    403,359,252.90x = 238,628,121,110,718,144
  5. Step 5: Solve for x
    x = 238,628,121,110,718,144/403,359,252.90
  6. Step 6: Final answer
    x = 591,601,951.35

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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.