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Finding the Fourth Proportional to 314,928,537.70, 472,392,806.55 and 288,143,911.30

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Solution

The fourth proportional to 314,928,537.70, 472,392,806.55 and 288,143,911.30 is: 432,215,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,537.70 : 472,392,806.55 = 288,143,911.30 : x
  2. Step 2: Convert to fraction form
    314,928,537.70/472,392,806.55 = 288,143,911.30/x
  3. Step 3: Cross multiply
    314,928,537.70x = 472,392,806.55 × 288,143,911.30
  4. Step 4: Simplify right side
    314,928,537.70x = 136,117,110,949,301,264
  5. Step 5: Solve for x
    x = 136,117,110,949,301,264/314,928,537.70
  6. Step 6: Final answer
    x = 432,215,866.95

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