Home / 1,208,448,376.80-1,813,419,061.20-481,361,272.80

Finding the Fourth Proportional to 1,208,448,376.80, 1,813,419,061.20 and 481,361,272.80

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Solution

The fourth proportional to 1,208,448,376.80, 1,813,419,061.20 and 481,361,272.80 is: 722,339,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,448,376.80 : 1,813,419,061.20 = 481,361,272.80 : x
  2. Step 2: Convert to fraction form
    1,208,448,376.80/1,813,419,061.20 = 481,361,272.80/x
  3. Step 3: Cross multiply
    1,208,448,376.80x = 1,813,419,061.20 × 481,361,272.80
  4. Step 4: Simplify right side
    1,208,448,376.80x = 872,909,707,419,013,120
  5. Step 5: Solve for x
    x = 872,909,707,419,013,120/1,208,448,376.80
  6. Step 6: Final answer
    x = 722,339,260.97

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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.