Home / 421,236,507.51-631,940,940.09-144,851,826.55

Finding the Fourth Proportional to 421,236,507.51, 631,940,940.09 and 144,851,826.55

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Solution

The fourth proportional to 421,236,507.51, 631,940,940.09 and 144,851,826.55 is: 217,307,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,236,507.51 : 631,940,940.09 = 144,851,826.55 : x
  2. Step 2: Convert to fraction form
    421,236,507.51/631,940,940.09 = 144,851,826.55/x
  3. Step 3: Cross multiply
    421,236,507.51x = 631,940,940.09 × 144,851,826.55
  4. Step 4: Simplify right side
    421,236,507.51x = 91,537,799,443,760,640
  5. Step 5: Solve for x
    x = 91,537,799,443,760,640/421,236,507.51
  6. Step 6: Final answer
    x = 217,307,374.39

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