Home / 940,079,367.62-1,297,321,287.09-516,739,248.90

Finding the Fourth Proportional to 940,079,367.62, 1,297,321,287.09 and 516,739,248.90

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Solution

The fourth proportional to 940,079,367.62, 1,297,321,287.09 and 516,739,248.90 is: 713,106,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,079,367.62 : 1,297,321,287.09 = 516,739,248.90 : x
  2. Step 2: Convert to fraction form
    940,079,367.62/1,297,321,287.09 = 516,739,248.90/x
  3. Step 3: Cross multiply
    940,079,367.62x = 1,297,321,287.09 × 516,739,248.90
  4. Step 4: Simplify right side
    940,079,367.62x = 670,376,827,470,955,904
  5. Step 5: Solve for x
    x = 670,376,827,470,955,904/940,079,367.62
  6. Step 6: Final answer
    x = 713,106,627.55

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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.