Home / 725,731,124.40-1,089,021,839.40-265,715,794.80

Finding the Fourth Proportional to 725,731,124.40, 1,089,021,839.40 and 265,715,794.80

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Solution

The fourth proportional to 725,731,124.40, 1,089,021,839.40 and 265,715,794.80 is: 398,729,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,731,124.40 : 1,089,021,839.40 = 265,715,794.80 : x
  2. Step 2: Convert to fraction form
    725,731,124.40/1,089,021,839.40 = 265,715,794.80/x
  3. Step 3: Cross multiply
    725,731,124.40x = 1,089,021,839.40 × 265,715,794.80
  4. Step 4: Simplify right side
    725,731,124.40x = 289,370,303,610,729,024
  5. Step 5: Solve for x
    x = 289,370,303,610,729,024/725,731,124.40
  6. Step 6: Final answer
    x = 398,729,355.65

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