Home / 419,395,351,792.50-629,024,152,934.60-180,565,702,619.58

Finding the Fourth Proportional to 419,395,351,792.50, 629,024,152,934.60 and 180,565,702,619.58

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Solution

The fourth proportional to 419,395,351,792.50, 629,024,152,934.60 and 180,565,702,619.58 is: 270,818,900,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,395,351,792.50 : 629,024,152,934.60 = 180,565,702,619.58 : x
  2. Step 2: Convert to fraction form
    419,395,351,792.50/629,024,152,934.60 = 180,565,702,619.58/x
  3. Step 3: Cross multiply
    419,395,351,792.50x = 629,024,152,934.60 × 180,565,702,619.58
  4. Step 4: Simplify right side
    419,395,351,792.50x = 113,580,188,139,322,179,846,144
  5. Step 5: Solve for x
    x = 113,580,188,139,322,179,846,144/419,395,351,792.50
  6. Step 6: Final answer
    x = 270,818,900,719.52

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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.