Home / 859,633,786,257.70-1,289,450,679,386.60-412,223,386,872.10

Finding the Fourth Proportional to 859,633,786,257.70, 1,289,450,679,386.60 and 412,223,386,872.10

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Solution

The fourth proportional to 859,633,786,257.70, 1,289,450,679,386.60 and 412,223,386,872.10 is: 618,335,080,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,633,786,257.70 : 1,289,450,679,386.60 = 412,223,386,872.10 : x
  2. Step 2: Convert to fraction form
    859,633,786,257.70/1,289,450,679,386.60 = 412,223,386,872.10/x
  3. Step 3: Cross multiply
    859,633,786,257.70x = 1,289,450,679,386.60 × 412,223,386,872.10
  4. Step 4: Simplify right side
    859,633,786,257.70x = 531,541,726,261,274,619,150,336
  5. Step 5: Solve for x
    x = 531,541,726,261,274,619,150,336/859,633,786,257.70
  6. Step 6: Final answer
    x = 618,335,080,308.17

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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.