Home / 940,008,583.92-1,297,241,045.32-516,614,562.48

Finding the Fourth Proportional to 940,008,583.92, 1,297,241,045.32 and 516,614,562.48

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Solution

The fourth proportional to 940,008,583.92, 1,297,241,045.32 and 516,614,562.48 is: 712,944,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,008,583.92 : 1,297,241,045.32 = 516,614,562.48 : x
  2. Step 2: Convert to fraction form
    940,008,583.92/1,297,241,045.32 = 516,614,562.48/x
  3. Step 3: Cross multiply
    940,008,583.92x = 1,297,241,045.32 × 516,614,562.48
  4. Step 4: Simplify right side
    940,008,583.92x = 670,173,615,059,089,664
  5. Step 5: Solve for x
    x = 670,173,615,059,089,664/940,008,583.92
  6. Step 6: Final answer
    x = 712,944,143.83

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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.