Home / 263,590,848,285.80-395,386,272,428.70-86,917,751,940.20

Finding the Fourth Proportional to 263,590,848,285.80, 395,386,272,428.70 and 86,917,751,940.20

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Solution

The fourth proportional to 263,590,848,285.80, 395,386,272,428.70 and 86,917,751,940.20 is: 130,376,627,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,590,848,285.80 : 395,386,272,428.70 = 86,917,751,940.20 : x
  2. Step 2: Convert to fraction form
    263,590,848,285.80/395,386,272,428.70 = 86,917,751,940.20/x
  3. Step 3: Cross multiply
    263,590,848,285.80x = 395,386,272,428.70 × 86,917,751,940.20
  4. Step 4: Simplify right side
    263,590,848,285.80x = 34,366,085,947,518,084,972,544
  5. Step 5: Solve for x
    x = 34,366,085,947,518,084,972,544/263,590,848,285.80
  6. Step 6: Final answer
    x = 130,376,627,910.30

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1.5x scale

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.