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Finding the Fourth Proportional to 652,640,341.40, 978,960,512.10 and 221,818,837.40

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Solution

The fourth proportional to 652,640,341.40, 978,960,512.10 and 221,818,837.40 is: 332,728,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,640,341.40 : 978,960,512.10 = 221,818,837.40 : x
  2. Step 2: Convert to fraction form
    652,640,341.40/978,960,512.10 = 221,818,837.40/x
  3. Step 3: Cross multiply
    652,640,341.40x = 978,960,512.10 × 221,818,837.40
  4. Step 4: Simplify right side
    652,640,341.40x = 217,151,882,654,530,656
  5. Step 5: Solve for x
    x = 217,151,882,654,530,656/652,640,341.40
  6. Step 6: Final answer
    x = 332,728,256.10

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Why These Related Problems?

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