Home / 764,930,101.56-1,145,020,026.60-414,305,323.80

Finding the Fourth Proportional to 764,930,101.56, 1,145,020,026.60 and 414,305,323.80

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Solution

The fourth proportional to 764,930,101.56, 1,145,020,026.60 and 414,305,323.80 is: 620,171,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,930,101.56 : 1,145,020,026.60 = 414,305,323.80 : x
  2. Step 2: Convert to fraction form
    764,930,101.56/1,145,020,026.60 = 414,305,323.80/x
  3. Step 3: Cross multiply
    764,930,101.56x = 1,145,020,026.60 × 414,305,323.80
  4. Step 4: Simplify right side
    764,930,101.56x = 474,387,892,877,997,568
  5. Step 5: Solve for x
    x = 474,387,892,877,997,568/764,930,101.56
  6. Step 6: Final answer
    x = 620,171,558.04

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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.