Home / 436,466,995.87-603,112,342.92-310,801,021.73

Finding the Fourth Proportional to 436,466,995.87, 603,112,342.92 and 310,801,021.73

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Solution

The fourth proportional to 436,466,995.87, 603,112,342.92 and 310,801,021.73 is: 429,466,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,466,995.87 : 603,112,342.92 = 310,801,021.73 : x
  2. Step 2: Convert to fraction form
    436,466,995.87/603,112,342.92 = 310,801,021.73/x
  3. Step 3: Cross multiply
    436,466,995.87x = 603,112,342.92 × 310,801,021.73
  4. Step 4: Simplify right side
    436,466,995.87x = 187,447,932,395,225,536
  5. Step 5: Solve for x
    x = 187,447,932,395,225,536/436,466,995.87
  6. Step 6: Final answer
    x = 429,466,452.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.