Home / 726,783,772.80-1,088,664,004.80-605,851,420.80

Finding the Fourth Proportional to 726,783,772.80, 1,088,664,004.80 and 605,851,420.80

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Solution

The fourth proportional to 726,783,772.80, 1,088,664,004.80 and 605,851,420.80 is: 907,517,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,783,772.80 : 1,088,664,004.80 = 605,851,420.80 : x
  2. Step 2: Convert to fraction form
    726,783,772.80/1,088,664,004.80 = 605,851,420.80/x
  3. Step 3: Cross multiply
    726,783,772.80x = 1,088,664,004.80 × 605,851,420.80
  4. Step 4: Simplify right side
    726,783,772.80x = 659,568,634,081,897,984
  5. Step 5: Solve for x
    x = 659,568,634,081,897,984/726,783,772.80
  6. Step 6: Final answer
    x = 907,517,006.80

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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.