Home / 423,991,736.64-635,987,826.72-132,881,532.08

Finding the Fourth Proportional to 423,991,736.64, 635,987,826.72 and 132,881,532.08

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Solution

The fourth proportional to 423,991,736.64, 635,987,826.72 and 132,881,532.08 is: 199,322,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,991,736.64 : 635,987,826.72 = 132,881,532.08 : x
  2. Step 2: Convert to fraction form
    423,991,736.64/635,987,826.72 = 132,881,532.08/x
  3. Step 3: Cross multiply
    423,991,736.64x = 635,987,826.72 × 132,881,532.08
  4. Step 4: Simplify right side
    423,991,736.64x = 84,511,036,798,783,168
  5. Step 5: Solve for x
    x = 84,511,036,798,783,168/423,991,736.64
  6. Step 6: Final answer
    x = 199,322,367.62

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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.