Home / 413,121,015.68-619,763,297.88-118,018,682.60

Finding the Fourth Proportional to 413,121,015.68, 619,763,297.88 and 118,018,682.60

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Solution

The fourth proportional to 413,121,015.68, 619,763,297.88 and 118,018,682.60 is: 177,051,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,121,015.68 : 619,763,297.88 = 118,018,682.60 : x
  2. Step 2: Convert to fraction form
    413,121,015.68/619,763,297.88 = 118,018,682.60/x
  3. Step 3: Cross multiply
    413,121,015.68x = 619,763,297.88 × 118,018,682.60
  4. Step 4: Simplify right side
    413,121,015.68x = 73,143,647,939,628,976
  5. Step 5: Solve for x
    x = 73,143,647,939,628,976/413,121,015.68
  6. Step 6: Final answer
    x = 177,051,384.86

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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.