Home / 1,864,951,136.49-2,574,794,263.54-1,187,150,667.49

Finding the Fourth Proportional to 1,864,951,136.49, 2,574,794,263.54 and 1,187,150,667.49

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Solution

The fourth proportional to 1,864,951,136.49, 2,574,794,263.54 and 1,187,150,667.49 is: 1,639,007,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,951,136.49 : 2,574,794,263.54 = 1,187,150,667.49 : x
  2. Step 2: Convert to fraction form
    1,864,951,136.49/2,574,794,263.54 = 1,187,150,667.49/x
  3. Step 3: Cross multiply
    1,864,951,136.49x = 2,574,794,263.54 × 1,187,150,667.49
  4. Step 4: Simplify right side
    1,864,951,136.49x = 3,056,668,728,601,528,832
  5. Step 5: Solve for x
    x = 3,056,668,728,601,528,832/1,864,951,136.49
  6. Step 6: Final answer
    x = 1,639,007,408.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.