Home / 695,870,486.46-960,305,067.70-409,774,494.78

Finding the Fourth Proportional to 695,870,486.46, 960,305,067.70 and 409,774,494.78

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Solution

The fourth proportional to 695,870,486.46, 960,305,067.70 and 409,774,494.78 is: 565,491,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,870,486.46 : 960,305,067.70 = 409,774,494.78 : x
  2. Step 2: Convert to fraction form
    695,870,486.46/960,305,067.70 = 409,774,494.78/x
  3. Step 3: Cross multiply
    695,870,486.46x = 960,305,067.70 × 409,774,494.78
  4. Step 4: Simplify right side
    695,870,486.46x = 393,508,523,951,441,216
  5. Step 5: Solve for x
    x = 393,508,523,951,441,216/695,870,486.46
  6. Step 6: Final answer
    x = 565,491,038.36

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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.