Home / 774,496,477.85-1,068,777,992.43-422,065,276.97

Finding the Fourth Proportional to 774,496,477.85, 1,068,777,992.43 and 422,065,276.97

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Solution

The fourth proportional to 774,496,477.85, 1,068,777,992.43 and 422,065,276.97 is: 582,435,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,496,477.85 : 1,068,777,992.43 = 422,065,276.97 : x
  2. Step 2: Convert to fraction form
    774,496,477.85/1,068,777,992.43 = 422,065,276.97/x
  3. Step 3: Cross multiply
    774,496,477.85x = 1,068,777,992.43 × 422,065,276.97
  4. Step 4: Simplify right side
    774,496,477.85x = 451,094,079,389,064,576
  5. Step 5: Solve for x
    x = 451,094,079,389,064,576/774,496,477.85
  6. Step 6: Final answer
    x = 582,435,288.34

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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.