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Finding the Fourth Proportional to 652,640,004.90, 978,960,007.35 and 221,818,500.90

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Solution

The fourth proportional to 652,640,004.90, 978,960,007.35 and 221,818,500.90 is: 332,727,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,640,004.90 : 978,960,007.35 = 221,818,500.90 : x
  2. Step 2: Convert to fraction form
    652,640,004.90/978,960,007.35 = 221,818,500.90/x
  3. Step 3: Cross multiply
    652,640,004.90x = 978,960,007.35 × 221,818,500.90
  4. Step 4: Simplify right side
    652,640,004.90x = 217,151,441,271,429,984
  5. Step 5: Solve for x
    x = 217,151,441,271,429,984/652,640,004.90
  6. Step 6: Final answer
    x = 332,727,751.35

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Why These Related Problems?

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