Home / 628,642,565.24-861,244,221.23-605,079,355.82

Finding the Fourth Proportional to 628,642,565.24, 861,244,221.23 and 605,079,355.82

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Solution

The fourth proportional to 628,642,565.24, 861,244,221.23 and 605,079,355.82 is: 828,962,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,642,565.24 : 861,244,221.23 = 605,079,355.82 : x
  2. Step 2: Convert to fraction form
    628,642,565.24/861,244,221.23 = 605,079,355.82/x
  3. Step 3: Cross multiply
    628,642,565.24x = 861,244,221.23 × 605,079,355.82
  4. Step 4: Simplify right side
    628,642,565.24x = 521,121,098,582,752,448
  5. Step 5: Solve for x
    x = 521,121,098,582,752,448/628,642,565.24
  6. Step 6: Final answer
    x = 828,962,477.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.