Home / 839,808,112.80-1,259,712,169.20-565,694,781.60

Finding the Fourth Proportional to 839,808,112.80, 1,259,712,169.20 and 565,694,781.60

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Solution

The fourth proportional to 839,808,112.80, 1,259,712,169.20 and 565,694,781.60 is: 848,542,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,112.80 : 1,259,712,169.20 = 565,694,781.60 : x
  2. Step 2: Convert to fraction form
    839,808,112.80/1,259,712,169.20 = 565,694,781.60/x
  3. Step 3: Cross multiply
    839,808,112.80x = 1,259,712,169.20 × 565,694,781.60
  4. Step 4: Simplify right side
    839,808,112.80x = 712,612,600,434,456,320
  5. Step 5: Solve for x
    x = 712,612,600,434,456,320/839,808,112.80
  6. Step 6: Final answer
    x = 848,542,172.40

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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.