Home / 262,238,819,354.86-392,738,593,626.59-128,025,222,961.90

Finding the Fourth Proportional to 262,238,819,354.86, 392,738,593,626.59 and 128,025,222,961.90

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Solution

The fourth proportional to 262,238,819,354.86, 392,738,593,626.59 and 128,025,222,961.90 is: 191,735,327,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,238,819,354.86 : 392,738,593,626.59 = 128,025,222,961.90 : x
  2. Step 2: Convert to fraction form
    262,238,819,354.86/392,738,593,626.59 = 128,025,222,961.90/x
  3. Step 3: Cross multiply
    262,238,819,354.86x = 392,738,593,626.59 × 128,025,222,961.90
  4. Step 4: Simplify right side
    262,238,819,354.86x = 50,280,446,014,787,220,930,560
  5. Step 5: Solve for x
    x = 50,280,446,014,787,220,930,560/262,238,819,354.86
  6. Step 6: Final answer
    x = 191,735,327,891.13

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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.