Home / 25,435,943,487.78-38,159,605,721.83-7,751,005,291.86

Finding the Fourth Proportional to 25,435,943,487.78, 38,159,605,721.83 and 7,751,005,291.86

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Solution

The fourth proportional to 25,435,943,487.78, 38,159,605,721.83 and 7,751,005,291.86 is: 11,628,241,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435,943,487.78 : 38,159,605,721.83 = 7,751,005,291.86 : x
  2. Step 2: Convert to fraction form
    25,435,943,487.78/38,159,605,721.83 = 7,751,005,291.86/x
  3. Step 3: Cross multiply
    25,435,943,487.78x = 38,159,605,721.83 × 7,751,005,291.86
  4. Step 4: Simplify right side
    25,435,943,487.78x = 295,775,305,885,195,436,032
  5. Step 5: Solve for x
    x = 295,775,305,885,195,436,032/25,435,943,487.78
  6. Step 6: Final answer
    x = 11,628,241,980.77

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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.