Home / 523,010,761.20-783,100,564.20-409,764,553.20

Finding the Fourth Proportional to 523,010,761.20, 783,100,564.20 and 409,764,553.20

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Solution

The fourth proportional to 523,010,761.20, 783,100,564.20 and 409,764,553.20 is: 613,537,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,010,761.20 : 783,100,564.20 = 409,764,553.20 : x
  2. Step 2: Convert to fraction form
    523,010,761.20/783,100,564.20 = 409,764,553.20/x
  3. Step 3: Cross multiply
    523,010,761.20x = 783,100,564.20 × 409,764,553.20
  4. Step 4: Simplify right side
    523,010,761.20x = 320,886,852,800,080,896
  5. Step 5: Solve for x
    x = 320,886,852,800,080,896/523,010,761.20
  6. Step 6: Final answer
    x = 613,537,763.67

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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.