Home / 3,168,288,970.80-4,752,220,879.80-839,175,961.20

Finding the Fourth Proportional to 3,168,288,970.80, 4,752,220,879.80 and 839,175,961.20

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Solution

The fourth proportional to 3,168,288,970.80, 4,752,220,879.80 and 839,175,961.20 is: 1,258,707,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,288,970.80 : 4,752,220,879.80 = 839,175,961.20 : x
  2. Step 2: Convert to fraction form
    3,168,288,970.80/4,752,220,879.80 = 839,175,961.20/x
  3. Step 3: Cross multiply
    3,168,288,970.80x = 4,752,220,879.80 × 839,175,961.20
  4. Step 4: Simplify right side
    3,168,288,970.80x = 3,987,949,524,640,875,008
  5. Step 5: Solve for x
    x = 3,987,949,524,640,875,008/3,168,288,970.80
  6. Step 6: Final answer
    x = 1,258,707,637.28

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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.