Home / 12,372,697,629.11-18,571,032,266.22-11,700,765,218.05

Finding the Fourth Proportional to 12,372,697,629.11, 18,571,032,266.22 and 11,700,765,218.05

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Solution

The fourth proportional to 12,372,697,629.11, 18,571,032,266.22 and 11,700,765,218.05 is: 17,562,482,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,697,629.11 : 18,571,032,266.22 = 11,700,765,218.05 : x
  2. Step 2: Convert to fraction form
    12,372,697,629.11/18,571,032,266.22 = 11,700,765,218.05/x
  3. Step 3: Cross multiply
    12,372,697,629.11x = 18,571,032,266.22 × 11,700,765,218.05
  4. Step 4: Simplify right side
    12,372,697,629.11x = 217,295,288,403,834,109,952
  5. Step 5: Solve for x
    x = 217,295,288,403,834,109,952/12,372,697,629.11
  6. Step 6: Final answer
    x = 17,562,482,727.50

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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.