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Finding the Fourth Proportional to 695,870,487.46, 960,305,069.08 and 409,774,495.78

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Solution

The fourth proportional to 695,870,487.46, 960,305,069.08 and 409,774,495.78 is: 565,491,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,870,487.46 : 960,305,069.08 = 409,774,495.78 : x
  2. Step 2: Convert to fraction form
    695,870,487.46/960,305,069.08 = 409,774,495.78/x
  3. Step 3: Cross multiply
    695,870,487.46x = 960,305,069.08 × 409,774,495.78
  4. Step 4: Simplify right side
    695,870,487.46x = 393,508,525,477,235,072
  5. Step 5: Solve for x
    x = 393,508,525,477,235,072/695,870,487.46
  6. Step 6: Final answer
    x = 565,491,039.74

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