Home / 628,719,945,725.10-943,238,626,471.88-175,438,469,080.88

Finding the Fourth Proportional to 628,719,945,725.10, 943,238,626,471.88 and 175,438,469,080.88

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Solution

The fourth proportional to 628,719,945,725.10, 943,238,626,471.88 and 175,438,469,080.88 is: 263,201,989,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,725.10 : 943,238,626,471.88 = 175,438,469,080.88 : x
  2. Step 2: Convert to fraction form
    628,719,945,725.10/943,238,626,471.88 = 175,438,469,080.88/x
  3. Step 3: Cross multiply
    628,719,945,725.10x = 943,238,626,471.88 × 175,438,469,080.88
  4. Step 4: Simplify right side
    628,719,945,725.10x = 165,480,340,606,178,660,712,448
  5. Step 5: Solve for x
    x = 165,480,340,606,178,660,712,448/628,719,945,725.10
  6. Step 6: Final answer
    x = 263,201,989,584.30

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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.