Home / 681,344,725.66-1,022,025,226.20-190,028,102.45

Finding the Fourth Proportional to 681,344,725.66, 1,022,025,226.20 and 190,028,102.45

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Solution

The fourth proportional to 681,344,725.66, 1,022,025,226.20 and 190,028,102.45 is: 285,044,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,344,725.66 : 1,022,025,226.20 = 190,028,102.45 : x
  2. Step 2: Convert to fraction form
    681,344,725.66/1,022,025,226.20 = 190,028,102.45/x
  3. Step 3: Cross multiply
    681,344,725.66x = 1,022,025,226.20 × 190,028,102.45
  4. Step 4: Simplify right side
    681,344,725.66x = 194,213,514,388,262,976
  5. Step 5: Solve for x
    x = 194,213,514,388,262,976/681,344,725.66
  6. Step 6: Final answer
    x = 285,044,423.29

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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.