Home / 1,373,189,112.56-2,059,589,735.40-440,390,749.28

Finding the Fourth Proportional to 1,373,189,112.56, 2,059,589,735.40 and 440,390,749.28

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Solution

The fourth proportional to 1,373,189,112.56, 2,059,589,735.40 and 440,390,749.28 is: 660,523,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,189,112.56 : 2,059,589,735.40 = 440,390,749.28 : x
  2. Step 2: Convert to fraction form
    1,373,189,112.56/2,059,589,735.40 = 440,390,749.28/x
  3. Step 3: Cross multiply
    1,373,189,112.56x = 2,059,589,735.40 × 440,390,749.28
  4. Step 4: Simplify right side
    1,373,189,112.56x = 907,024,266,782,202,880
  5. Step 5: Solve for x
    x = 907,024,266,782,202,880/1,373,189,112.56
  6. Step 6: Final answer
    x = 660,523,928.19

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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.