Home / 2,116,726,108.40-3,175,512,987-1,185,373,430.48

Finding the Fourth Proportional to 2,116,726,108.40, 3,175,512,987 and 1,185,373,430.48

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Solution

The fourth proportional to 2,116,726,108.40, 3,175,512,987 and 1,185,373,430.48 is: 1,778,297,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,726,108.40 : 3,175,512,987 = 1,185,373,430.48 : x
  2. Step 2: Convert to fraction form
    2,116,726,108.40/3,175,512,987 = 1,185,373,430.48/x
  3. Step 3: Cross multiply
    2,116,726,108.40x = 3,175,512,987 × 1,185,373,430.48
  4. Step 4: Simplify right side
    2,116,726,108.40x = 3,764,168,722,933,981,696
  5. Step 5: Solve for x
    x = 3,764,168,722,933,981,696/2,116,726,108.40
  6. Step 6: Final answer
    x = 1,778,297,488.75

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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.