Home / 423,365,215,177.20-635,171,743,622.40-136,517,502,725.04

Finding the Fourth Proportional to 423,365,215,177.20, 635,171,743,622.40 and 136,517,502,725.04

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Solution

The fourth proportional to 423,365,215,177.20, 635,171,743,622.40 and 136,517,502,725.04 is: 204,816,213,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,365,215,177.20 : 635,171,743,622.40 = 136,517,502,725.04 : x
  2. Step 2: Convert to fraction form
    423,365,215,177.20/635,171,743,622.40 = 136,517,502,725.04/x
  3. Step 3: Cross multiply
    423,365,215,177.20x = 635,171,743,622.40 × 136,517,502,725.04
  4. Step 4: Simplify right side
    423,365,215,177.20x = 86,712,060,240,839,395,246,080
  5. Step 5: Solve for x
    x = 86,712,060,240,839,395,246,080/423,365,215,177.20
  6. Step 6: Final answer
    x = 204,816,213,359.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.