Home / 263,590,848,336.80-395,386,272,505.20-86,917,751,991.20

Finding the Fourth Proportional to 263,590,848,336.80, 395,386,272,505.20 and 86,917,751,991.20

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Solution

The fourth proportional to 263,590,848,336.80, 395,386,272,505.20 and 86,917,751,991.20 is: 130,376,627,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,590,848,336.80 : 395,386,272,505.20 = 86,917,751,991.20 : x
  2. Step 2: Convert to fraction form
    263,590,848,336.80/395,386,272,505.20 = 86,917,751,991.20/x
  3. Step 3: Cross multiply
    263,590,848,336.80x = 395,386,272,505.20 × 86,917,751,991.20
  4. Step 4: Simplify right side
    263,590,848,336.80x = 34,366,085,974,331,993,620,480
  5. Step 5: Solve for x
    x = 34,366,085,974,331,993,620,480/263,590,848,336.80
  6. Step 6: Final answer
    x = 130,376,627,986.80

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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.