Home / 940,008,584.92-1,297,241,046.70-516,614,563.48

Finding the Fourth Proportional to 940,008,584.92, 1,297,241,046.70 and 516,614,563.48

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Solution

The fourth proportional to 940,008,584.92, 1,297,241,046.70 and 516,614,563.48 is: 712,944,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,008,584.92 : 1,297,241,046.70 = 516,614,563.48 : x
  2. Step 2: Convert to fraction form
    940,008,584.92/1,297,241,046.70 = 516,614,563.48/x
  3. Step 3: Cross multiply
    940,008,584.92x = 1,297,241,046.70 × 516,614,563.48
  4. Step 4: Simplify right side
    940,008,584.92x = 670,173,617,069,258,880
  5. Step 5: Solve for x
    x = 670,173,617,069,258,880/940,008,584.92
  6. Step 6: Final answer
    x = 712,944,145.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.