Home / 5,391,840,679.80-8,087,761,019.70-4,412,288,628.60

Finding the Fourth Proportional to 5,391,840,679.80, 8,087,761,019.70 and 4,412,288,628.60

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Solution

The fourth proportional to 5,391,840,679.80, 8,087,761,019.70 and 4,412,288,628.60 is: 6,618,432,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,840,679.80 : 8,087,761,019.70 = 4,412,288,628.60 : x
  2. Step 2: Convert to fraction form
    5,391,840,679.80/8,087,761,019.70 = 4,412,288,628.60/x
  3. Step 3: Cross multiply
    5,391,840,679.80x = 8,087,761,019.70 × 4,412,288,628.60
  4. Step 4: Simplify right side
    5,391,840,679.80x = 35,685,535,978,056,654,848
  5. Step 5: Solve for x
    x = 35,685,535,978,056,654,848/5,391,840,679.80
  6. Step 6: Final answer
    x = 6,618,432,942.90

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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.