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Finding the Fourth Proportional to 313,243,668.30, 469,865,502.45 and 266,886,266.70

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Solution

The fourth proportional to 313,243,668.30, 469,865,502.45 and 266,886,266.70 is: 400,329,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243,668.30 : 469,865,502.45 = 266,886,266.70 : x
  2. Step 2: Convert to fraction form
    313,243,668.30/469,865,502.45 = 266,886,266.70/x
  3. Step 3: Cross multiply
    313,243,668.30x = 469,865,502.45 × 266,886,266.70
  4. Step 4: Simplify right side
    313,243,668.30x = 125,400,649,800,000,192
  5. Step 5: Solve for x
    x = 125,400,649,800,000,192/313,243,668.30
  6. Step 6: Final answer
    x = 400,329,400.05

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