Home / 1,201,103,667.35-1,801,655,501.03-739,545,190.55

Finding the Fourth Proportional to 1,201,103,667.35, 1,801,655,501.03 and 739,545,190.55

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Solution

The fourth proportional to 1,201,103,667.35, 1,801,655,501.03 and 739,545,190.55 is: 1,109,317,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,103,667.35 : 1,801,655,501.03 = 739,545,190.55 : x
  2. Step 2: Convert to fraction form
    1,201,103,667.35/1,801,655,501.03 = 739,545,190.55/x
  3. Step 3: Cross multiply
    1,201,103,667.35x = 1,801,655,501.03 × 739,545,190.55
  4. Step 4: Simplify right side
    1,201,103,667.35x = 1,332,405,660,810,989,312
  5. Step 5: Solve for x
    x = 1,332,405,660,810,989,312/1,201,103,667.35
  6. Step 6: Final answer
    x = 1,109,317,785.83

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Double scale
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Similar ratio
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1.5x scale

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.