Home / 13,941,504,139.20-20,912,256,208.80-8,781,723,787.20

Finding the Fourth Proportional to 13,941,504,139.20, 20,912,256,208.80 and 8,781,723,787.20

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Solution

The fourth proportional to 13,941,504,139.20, 20,912,256,208.80 and 8,781,723,787.20 is: 13,172,585,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,504,139.20 : 20,912,256,208.80 = 8,781,723,787.20 : x
  2. Step 2: Convert to fraction form
    13,941,504,139.20/20,912,256,208.80 = 8,781,723,787.20/x
  3. Step 3: Cross multiply
    13,941,504,139.20x = 20,912,256,208.80 × 8,781,723,787.20
  4. Step 4: Simplify right side
    13,941,504,139.20x = 183,645,657,792,839,843,840
  5. Step 5: Solve for x
    x = 183,645,657,792,839,843,840/13,941,504,139.20
  6. Step 6: Final answer
    x = 13,172,585,680.80

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1.5x scale

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.