Home / 415,391,556.35-623,120,328.14-139,044,229.28

Finding the Fourth Proportional to 415,391,556.35, 623,120,328.14 and 139,044,229.28

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Solution

The fourth proportional to 415,391,556.35, 623,120,328.14 and 139,044,229.28 is: 208,577,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,391,556.35 : 623,120,328.14 = 139,044,229.28 : x
  2. Step 2: Convert to fraction form
    415,391,556.35/623,120,328.14 = 139,044,229.28/x
  3. Step 3: Cross multiply
    415,391,556.35x = 623,120,328.14 × 139,044,229.28
  4. Step 4: Simplify right side
    415,391,556.35x = 86,641,285,771,116,176
  5. Step 5: Solve for x
    x = 86,641,285,771,116,176/415,391,556.35
  6. Step 6: Final answer
    x = 208,577,387.88

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