Home / 1,109,731,453.60-1,664,093,295.60-419,409,277.60

Finding the Fourth Proportional to 1,109,731,453.60, 1,664,093,295.60 and 419,409,277.60

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Solution

The fourth proportional to 1,109,731,453.60, 1,664,093,295.60 and 419,409,277.60 is: 628,923,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,731,453.60 : 1,664,093,295.60 = 419,409,277.60 : x
  2. Step 2: Convert to fraction form
    1,109,731,453.60/1,664,093,295.60 = 419,409,277.60/x
  3. Step 3: Cross multiply
    1,109,731,453.60x = 1,664,093,295.60 × 419,409,277.60
  4. Step 4: Simplify right side
    1,109,731,453.60x = 697,936,166,966,599,296
  5. Step 5: Solve for x
    x = 697,936,166,966,599,296/1,109,731,453.60
  6. Step 6: Final answer
    x = 628,923,479.37

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1.5x scale

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.