Home / 1,605,149,200.70-2,214,928,786.11-900,156,103.82

Finding the Fourth Proportional to 1,605,149,200.70, 2,214,928,786.11 and 900,156,103.82

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Solution

The fourth proportional to 1,605,149,200.70, 2,214,928,786.11 and 900,156,103.82 is: 1,242,116,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,149,200.70 : 2,214,928,786.11 = 900,156,103.82 : x
  2. Step 2: Convert to fraction form
    1,605,149,200.70/2,214,928,786.11 = 900,156,103.82/x
  3. Step 3: Cross multiply
    1,605,149,200.70x = 2,214,928,786.11 × 900,156,103.82
  4. Step 4: Simplify right side
    1,605,149,200.70x = 1,993,781,666,332,465,408
  5. Step 5: Solve for x
    x = 1,993,781,666,332,465,408/1,605,149,200.70
  6. Step 6: Final answer
    x = 1,242,116,100.78

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Half scale
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Double scale
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1.5x scale

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.