Home / 11,188,791,819.40-16,789,234,346.70-4,978,915,544.20

Finding the Fourth Proportional to 11,188,791,819.40, 16,789,234,346.70 and 4,978,915,544.20

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Solution

The fourth proportional to 11,188,791,819.40, 16,789,234,346.70 and 4,978,915,544.20 is: 7,471,064,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188,791,819.40 : 16,789,234,346.70 = 4,978,915,544.20 : x
  2. Step 2: Convert to fraction form
    11,188,791,819.40/16,789,234,346.70 = 4,978,915,544.20/x
  3. Step 3: Cross multiply
    11,188,791,819.40x = 16,789,234,346.70 × 4,978,915,544.20
  4. Step 4: Simplify right side
    11,188,791,819.40x = 83,592,179,864,001,167,360
  5. Step 5: Solve for x
    x = 83,592,179,864,001,167,360/11,188,791,819.40
  6. Step 6: Final answer
    x = 7,471,064,008.81

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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.