Home / 1,180,467,047.70-1,770,700,571.55-828,440,529.30

Finding the Fourth Proportional to 1,180,467,047.70, 1,770,700,571.55 and 828,440,529.30

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Solution

The fourth proportional to 1,180,467,047.70, 1,770,700,571.55 and 828,440,529.30 is: 1,242,660,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,467,047.70 : 1,770,700,571.55 = 828,440,529.30 : x
  2. Step 2: Convert to fraction form
    1,180,467,047.70/1,770,700,571.55 = 828,440,529.30/x
  3. Step 3: Cross multiply
    1,180,467,047.70x = 1,770,700,571.55 × 828,440,529.30
  4. Step 4: Simplify right side
    1,180,467,047.70x = 1,466,920,118,726,694,400
  5. Step 5: Solve for x
    x = 1,466,920,118,726,694,400/1,180,467,047.70
  6. Step 6: Final answer
    x = 1,242,660,793.95

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Half scale
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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.