Home / 1,617,143,438.35-2,231,659,432.96-874,587,501.10

Finding the Fourth Proportional to 1,617,143,438.35, 2,231,659,432.96 and 874,587,501.10

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Solution

The fourth proportional to 1,617,143,438.35, 2,231,659,432.96 and 874,587,501.10 is: 1,206,931,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,143,438.35 : 2,231,659,432.96 = 874,587,501.10 : x
  2. Step 2: Convert to fraction form
    1,617,143,438.35/2,231,659,432.96 = 874,587,501.10/x
  3. Step 3: Cross multiply
    1,617,143,438.35x = 2,231,659,432.96 × 874,587,501.10
  4. Step 4: Simplify right side
    1,617,143,438.35x = 1,951,781,446,770,963,712
  5. Step 5: Solve for x
    x = 1,951,781,446,770,963,712/1,617,143,438.35
  6. Step 6: Final answer
    x = 1,206,931,556.28

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Double scale
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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.