Home / 940,555,489.06-1,410,044,043.40-415,839,874.92

Finding the Fourth Proportional to 940,555,489.06, 1,410,044,043.40 and 415,839,874.92

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Solution

The fourth proportional to 940,555,489.06, 1,410,044,043.40 and 415,839,874.92 is: 623,410,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,555,489.06 : 1,410,044,043.40 = 415,839,874.92 : x
  2. Step 2: Convert to fraction form
    940,555,489.06/1,410,044,043.40 = 415,839,874.92/x
  3. Step 3: Cross multiply
    940,555,489.06x = 1,410,044,043.40 × 415,839,874.92
  4. Step 4: Simplify right side
    940,555,489.06x = 586,352,538,639,147,136
  5. Step 5: Solve for x
    x = 586,352,538,639,147,136/940,555,489.06
  6. Step 6: Final answer
    x = 623,410,894.37

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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.