Home / 746,496,937.60-1,119,745,406.40-261,647,785.60

Finding the Fourth Proportional to 746,496,937.60, 1,119,745,406.40 and 261,647,785.60

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Solution

The fourth proportional to 746,496,937.60, 1,119,745,406.40 and 261,647,785.60 is: 392,471,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,937.60 : 1,119,745,406.40 = 261,647,785.60 : x
  2. Step 2: Convert to fraction form
    746,496,937.60/1,119,745,406.40 = 261,647,785.60/x
  3. Step 3: Cross multiply
    746,496,937.60x = 1,119,745,406.40 × 261,647,785.60
  4. Step 4: Simplify right side
    746,496,937.60x = 292,978,906,020,332,096
  5. Step 5: Solve for x
    x = 292,978,906,020,332,096/746,496,937.60
  6. Step 6: Final answer
    x = 392,471,678.40

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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.