Home / 742,203,826.86-1,024,213,219.29-412,200,223.50

Finding the Fourth Proportional to 742,203,826.86, 1,024,213,219.29 and 412,200,223.50

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Solution

The fourth proportional to 742,203,826.86, 1,024,213,219.29 and 412,200,223.50 is: 568,820,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,203,826.86 : 1,024,213,219.29 = 412,200,223.50 : x
  2. Step 2: Convert to fraction form
    742,203,826.86/1,024,213,219.29 = 412,200,223.50/x
  3. Step 3: Cross multiply
    742,203,826.86x = 1,024,213,219.29 × 412,200,223.50
  4. Step 4: Simplify right side
    742,203,826.86x = 422,180,917,902,992,512
  5. Step 5: Solve for x
    x = 422,180,917,902,992,512/742,203,826.86
  6. Step 6: Final answer
    x = 568,820,723.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.