Home / 18,276,511,948.38-25,212,304,180.37-11,936,590,879.50

Finding the Fourth Proportional to 18,276,511,948.38, 25,212,304,180.37 and 11,936,590,879.50

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Solution

The fourth proportional to 18,276,511,948.38, 25,212,304,180.37 and 11,936,590,879.50 is: 16,466,433,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276,511,948.38 : 25,212,304,180.37 = 11,936,590,879.50 : x
  2. Step 2: Convert to fraction form
    18,276,511,948.38/25,212,304,180.37 = 11,936,590,879.50/x
  3. Step 3: Cross multiply
    18,276,511,948.38x = 25,212,304,180.37 × 11,936,590,879.50
  4. Step 4: Simplify right side
    18,276,511,948.38x = 300,948,960,130,620,063,744
  5. Step 5: Solve for x
    x = 300,948,960,130,620,063,744/18,276,511,948.38
  6. Step 6: Final answer
    x = 16,466,433,036.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.