Home / 3,168,288,940.80-4,752,220,834.80-839,175,931.20

Finding the Fourth Proportional to 3,168,288,940.80, 4,752,220,834.80 and 839,175,931.20

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Solution

The fourth proportional to 3,168,288,940.80, 4,752,220,834.80 and 839,175,931.20 is: 1,258,707,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,288,940.80 : 4,752,220,834.80 = 839,175,931.20 : x
  2. Step 2: Convert to fraction form
    3,168,288,940.80/4,752,220,834.80 = 839,175,931.20/x
  3. Step 3: Cross multiply
    3,168,288,940.80x = 4,752,220,834.80 × 839,175,931.20
  4. Step 4: Simplify right side
    3,168,288,940.80x = 3,987,949,344,311,331,840
  5. Step 5: Solve for x
    x = 3,987,949,344,311,331,840/3,168,288,940.80
  6. Step 6: Final answer
    x = 1,258,707,592.28

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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.