Home / 765,059,320.33-1,147,585,163.69-298,768,121.46

Finding the Fourth Proportional to 765,059,320.33, 1,147,585,163.69 and 298,768,121.46

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Solution

The fourth proportional to 765,059,320.33, 1,147,585,163.69 and 298,768,121.46 is: 448,150,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,059,320.33 : 1,147,585,163.69 = 298,768,121.46 : x
  2. Step 2: Convert to fraction form
    765,059,320.33/1,147,585,163.69 = 298,768,121.46/x
  3. Step 3: Cross multiply
    765,059,320.33x = 1,147,585,163.69 × 298,768,121.46
  4. Step 4: Simplify right side
    765,059,320.33x = 342,861,863,571,774,848
  5. Step 5: Solve for x
    x = 342,861,863,571,774,848/765,059,320.33
  6. Step 6: Final answer
    x = 448,150,691.67

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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.