Home / 725,670,988.40-1,001,397,119.78-428,408,987.28

Finding the Fourth Proportional to 725,670,988.40, 1,001,397,119.78 and 428,408,987.28

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Solution

The fourth proportional to 725,670,988.40, 1,001,397,119.78 and 428,408,987.28 is: 591,187,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,670,988.40 : 1,001,397,119.78 = 428,408,987.28 : x
  2. Step 2: Convert to fraction form
    725,670,988.40/1,001,397,119.78 = 428,408,987.28/x
  3. Step 3: Cross multiply
    725,670,988.40x = 1,001,397,119.78 × 428,408,987.28
  4. Step 4: Simplify right side
    725,670,988.40x = 429,007,525,947,916,544
  5. Step 5: Solve for x
    x = 429,007,525,947,916,544/725,670,988.40
  6. Step 6: Final answer
    x = 591,187,373.90

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