Home / 423,991,732.64-635,987,820.72-132,881,528.08

Finding the Fourth Proportional to 423,991,732.64, 635,987,820.72 and 132,881,528.08

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Solution

The fourth proportional to 423,991,732.64, 635,987,820.72 and 132,881,528.08 is: 199,322,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,991,732.64 : 635,987,820.72 = 132,881,528.08 : x
  2. Step 2: Convert to fraction form
    423,991,732.64/635,987,820.72 = 132,881,528.08/x
  3. Step 3: Cross multiply
    423,991,732.64x = 635,987,820.72 × 132,881,528.08
  4. Step 4: Simplify right side
    423,991,732.64x = 84,511,033,457,542,688
  5. Step 5: Solve for x
    x = 84,511,033,457,542,688/423,991,732.64
  6. Step 6: Final answer
    x = 199,322,361.62

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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.