Home / 13,258,138,768,991-18,296,036,786,094-7,405,331,435,486.40

Finding the Fourth Proportional to 13,258,138,768,991, 18,296,036,786,094 and 7,405,331,435,486.40

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Solution

The fourth proportional to 13,258,138,768,991, 18,296,036,786,094 and 7,405,331,435,486.40 is: 10,219,248,622,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,138,768,991 : 18,296,036,786,094 = 7,405,331,435,486.40 : x
  2. Step 2: Convert to fraction form
    13,258,138,768,991/18,296,036,786,094 = 7,405,331,435,486.40/x
  3. Step 3: Cross multiply
    13,258,138,768,991x = 18,296,036,786,094 × 7,405,331,435,486.40
  4. Step 4: Simplify right side
    13,258,138,768,991x = 135,488,216,356,877,467,582,988,288
  5. Step 5: Solve for x
    x = 135,488,216,356,877,467,582,988,288/13,258,138,768,991
  6. Step 6: Final answer
    x = 10,219,248,622,873.53

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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.