Home / 772,555,655.52-1,068,934,154.16-673,642,660.32

Finding the Fourth Proportional to 772,555,655.52, 1,068,934,154.16 and 673,642,660.32

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Solution

The fourth proportional to 772,555,655.52, 1,068,934,154.16 and 673,642,660.32 is: 932,074,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,555,655.52 : 1,068,934,154.16 = 673,642,660.32 : x
  2. Step 2: Convert to fraction form
    772,555,655.52/1,068,934,154.16 = 673,642,660.32/x
  3. Step 3: Cross multiply
    772,555,655.52x = 1,068,934,154.16 × 673,642,660.32
  4. Step 4: Simplify right side
    772,555,655.52x = 720,079,647,315,251,456
  5. Step 5: Solve for x
    x = 720,079,647,315,251,456/772,555,655.52
  6. Step 6: Final answer
    x = 932,074,786.03

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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.