Home / 2,112,457,897.64-3,167,394,840.82-1,007,400,739.88

Finding the Fourth Proportional to 2,112,457,897.64, 3,167,394,840.82 and 1,007,400,739.88

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Solution

The fourth proportional to 2,112,457,897.64, 3,167,394,840.82 and 1,007,400,739.88 is: 1,510,484,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,457,897.64 : 3,167,394,840.82 = 1,007,400,739.88 : x
  2. Step 2: Convert to fraction form
    2,112,457,897.64/3,167,394,840.82 = 1,007,400,739.88/x
  3. Step 3: Cross multiply
    2,112,457,897.64x = 3,167,394,840.82 × 1,007,400,739.88
  4. Step 4: Simplify right side
    2,112,457,897.64x = 3,190,835,906,134,162,944
  5. Step 5: Solve for x
    x = 3,190,835,906,134,162,944/2,112,457,897.64
  6. Step 6: Final answer
    x = 1,510,484,970.94

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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.