Home / 418,582,392.66-628,309,914.12-185,576,737.64

Finding the Fourth Proportional to 418,582,392.66, 628,309,914.12 and 185,576,737.64

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Solution

The fourth proportional to 418,582,392.66, 628,309,914.12 and 185,576,737.64 is: 278,558,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,582,392.66 : 628,309,914.12 = 185,576,737.64 : x
  2. Step 2: Convert to fraction form
    418,582,392.66/628,309,914.12 = 185,576,737.64/x
  3. Step 3: Cross multiply
    418,582,392.66x = 628,309,914.12 × 185,576,737.64
  4. Step 4: Simplify right side
    418,582,392.66x = 116,599,704,086,116,624
  5. Step 5: Solve for x
    x = 116,599,704,086,116,624/418,582,392.66
  6. Step 6: Final answer
    x = 278,558,549.36

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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.