Home / 15,278,305,196.77-21,084,062,143.40-8,503,977,944.10

Finding the Fourth Proportional to 15,278,305,196.77, 21,084,062,143.40 and 8,503,977,944.10

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Solution

The fourth proportional to 15,278,305,196.77, 21,084,062,143.40 and 8,503,977,944.10 is: 11,735,490,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278,305,196.77 : 21,084,062,143.40 = 8,503,977,944.10 : x
  2. Step 2: Convert to fraction form
    15,278,305,196.77/21,084,062,143.40 = 8,503,977,944.10/x
  3. Step 3: Cross multiply
    15,278,305,196.77x = 21,084,062,143.40 × 8,503,977,944.10
  4. Step 4: Simplify right side
    15,278,305,196.77x = 179,298,399,439,507,390,464
  5. Step 5: Solve for x
    x = 179,298,399,439,507,390,464/15,278,305,196.77
  6. Step 6: Final answer
    x = 11,735,490,103.80

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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.