Home / 649,542,564.40-974,313,846.60-305,168,796.40

Finding the Fourth Proportional to 649,542,564.40, 974,313,846.60 and 305,168,796.40

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Solution

The fourth proportional to 649,542,564.40, 974,313,846.60 and 305,168,796.40 is: 457,753,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,542,564.40 : 974,313,846.60 = 305,168,796.40 : x
  2. Step 2: Convert to fraction form
    649,542,564.40/974,313,846.60 = 305,168,796.40/x
  3. Step 3: Cross multiply
    649,542,564.40x = 974,313,846.60 × 305,168,796.40
  4. Step 4: Simplify right side
    649,542,564.40x = 297,330,183,882,776,192
  5. Step 5: Solve for x
    x = 297,330,183,882,776,192/649,542,564.40
  6. Step 6: Final answer
    x = 457,753,194.60

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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.